20105682400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:634

約数の個数: 288

約数和(自身を含む): 54284525568

約数和(自身を除く): 34178843168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 68, 80, 85, 100, 103, 124, 136, 155, 160, 170, 200, 206, 248, 272, 310, 340, 400, 412, 425, 463, 496, 515, 527, 544, 620, 680, 775, 800, 824, 850, 926, 992, 1030, 1054, 1240, 1360, 1550, 1648, 1700, 1751, 1852, 2060, 2108, 2315, 2480, 2575, 2635, 2720, 3100, 3193, 3296, 3400, 3502, 3704, 4120, 4216, 4630, 4960, 5150, 5270, 6200, 6386, 6800, 7004, 7408, 7871, 8240, 8432, 8755, 9260, 10300, 10540, 11575, 12400, 12772, 13175, 13600, 14008, 14353, 14816, 15742, 15965, 16480, 16864, 17510, 18520, 20600, 21080, 23150, 24800, 25544, 26350, 28016, 28706, 31484, 31930, 35020, 37040, 39355, 41200, 42160, 43775, 46300, 47689, 51088, 52700, 54281, 56032, 57412, 62968, 63860, 70040, 71765, 74080, 78710, 79825, 82400, 84320, 87550, 92600, 95378, 102176, 105400, 108562, 114824, 125936, 127720, 140080, 143530, 157420, 159650, 175100, 185200, 190756, 196775, 210800, 217124, 229648, 238445, 244001, 251872, 255440, 271405, 280160, 287060, 314840, 319300, 350200, 358825, 370400, 381512, 393550, 421600, 434248, 459296, 476890, 488002, 510880, 542810, 574120, 629680, 638600, 700400, 717650, 763024, 787100, 810713, 868496, 953780, 976004, 1085620, 1148240, 1192225, 1220005, 1259360, 1277200, 1357025, 1400800, 1435300, 1478359, 1526048, 1574200, 1621426, 1736992, 1907560, 1952008, 2171240, 2296480, 2384450, 2440010, 2554400, 2714050, 2870600, 2956718, 3148400, 3242852, 3815120, 3904016, 4053565, 4342480, 4768900, 4880020, 5428100, 5741200, 5913436, 6100025, 6296800, 6485704, 7391795, 7630240, 7808032, 8107130, 8684960, 9537800, 9760040, 10856200, 11482400, 11826872, 12200050, 12971408, 14783590, 16214260, 19075600, 19520080, 20267825, 21712400, 23653744, 24400100, 25132103, 25942816, 29567180, 32428520, 36958975, 38151200, 39040160, 40535650, 43424800, 47307488, 48800200, 50264206, 59134360, 64857040, 73917950, 81071300, 97600400, 100528412, 118268720, 125660515, 129714080, 147835900, 162142600, 195200800, 201056824, 236537440, 251321030, 295671800, 324285200, 402113648, 502642060, 591343600, 628302575, 648570400, 804227296, 1005284120, 1182687200, 1256605150, 2010568240, 2513210300, 4021136480, 5026420600, 10052841200, 20105682400]

約数ペア:

[(1, 20105682400), (2, 10052841200), (4, 5026420600), (5, 4021136480), (8, 2513210300), (10, 2010568240), (16, 1256605150), (17, 1182687200), (20, 1005284120), (25, 804227296), (31, 648570400), (32, 628302575), (34, 591343600), (40, 502642060), (50, 402113648), (62, 324285200), (68, 295671800), (80, 251321030), (85, 236537440), (100, 201056824), (103, 195200800), (124, 162142600), (136, 147835900), (155, 129714080), (160, 125660515), (170, 118268720), (200, 100528412), (206, 97600400), (248, 81071300), (272, 73917950), (310, 64857040), (340, 59134360), (400, 50264206), (412, 48800200), (425, 47307488), (463, 43424800), (496, 40535650), (515, 39040160), (527, 38151200), (544, 36958975), (620, 32428520), (680, 29567180), (775, 25942816), (800, 25132103), (824, 24400100), (850, 23653744), (926, 21712400), (992, 20267825), (1030, 19520080), (1054, 19075600), (1240, 16214260), (1360, 14783590), (1550, 12971408), (1648, 12200050), (1700, 11826872), (1751, 11482400), (1852, 10856200), (2060, 9760040), (2108, 9537800), (2315, 8684960), (2480, 8107130), (2575, 7808032), (2635, 7630240), (2720, 7391795), (3100, 6485704), (3193, 6296800), (3296, 6100025), (3400, 5913436), (3502, 5741200), (3704, 5428100), (4120, 4880020), (4216, 4768900), (4630, 4342480), (4960, 4053565), (5150, 3904016), (5270, 3815120), (6200, 3242852), (6386, 3148400), (6800, 2956718), (7004, 2870600), (7408, 2714050), (7871, 2554400), (8240, 2440010), (8432, 2384450), (8755, 2296480), (9260, 2171240), (10300, 1952008), (10540, 1907560), (11575, 1736992), (12400, 1621426), (12772, 1574200), (13175, 1526048), (13600, 1478359), (14008, 1435300), (14353, 1400800), (14816, 1357025), (15742, 1277200), (15965, 1259360), (16480, 1220005), (16864, 1192225), (17510, 1148240), (18520, 1085620), (20600, 976004), (21080, 953780), (23150, 868496), (24800, 810713), (25544, 787100), (26350, 763024), (28016, 717650), (28706, 700400), (31484, 638600), (31930, 629680), (35020, 574120), (37040, 542810), (39355, 510880), (41200, 488002), (42160, 476890), (43775, 459296), (46300, 434248), (47689, 421600), (51088, 393550), (52700, 381512), (54281, 370400), (56032, 358825), (57412, 350200), (62968, 319300), (63860, 314840), (70040, 287060), (71765, 280160), (74080, 271405), (78710, 255440), (79825, 251872), (82400, 244001), (84320, 238445), (87550, 229648), (92600, 217124), (95378, 210800), (102176, 196775), (105400, 190756), (108562, 185200), (114824, 175100), (125936, 159650), (127720, 157420), (140080, 143530)]