20072445440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 240

約数和(自身を含む): 51198285600

約数和(自身を除く): 31125840160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 199, 205, 248, 256, 310, 320, 328, 398, 410, 496, 512, 620, 640, 656, 796, 820, 961, 992, 995, 1240, 1271, 1280, 1312, 1592, 1640, 1922, 1984, 1990, 2480, 2542, 2560, 2624, 3184, 3280, 3844, 3968, 3980, 4805, 4960, 5084, 5248, 6169, 6355, 6368, 6560, 7688, 7936, 7960, 8159, 9610, 9920, 10168, 10496, 12338, 12710, 12736, 13120, 15376, 15872, 15920, 16318, 19220, 19840, 20336, 20992, 24676, 25420, 25472, 26240, 30752, 30845, 31840, 32636, 38440, 39401, 39680, 40672, 40795, 49352, 50840, 50944, 52480, 61504, 61690, 63680, 65272, 76880, 78802, 79360, 81344, 81590, 98704, 101680, 101888, 104960, 123008, 123380, 127360, 130544, 153760, 157604, 162688, 163180, 191239, 197005, 197408, 203360, 246016, 246760, 252929, 254720, 261088, 307520, 315208, 325376, 326360, 382478, 394010, 394816, 406720, 492032, 493520, 505858, 509440, 522176, 615040, 630416, 650752, 652720, 764956, 788020, 789632, 813440, 956195, 987040, 1011716, 1044352, 1230080, 1260832, 1264645, 1305440, 1529912, 1576040, 1579264, 1626880, 1912390, 1974080, 2023432, 2088704, 2460160, 2521664, 2529290, 2610880, 3059824, 3152080, 3158528, 3253760, 3824780, 3948160, 4046864, 4177408, 5043328, 5058580, 5221760, 6119648, 6304160, 7649560, 7840799, 7896320, 8093728, 10086656, 10117160, 10443520, 12239296, 12608320, 15299120, 15681598, 15792640, 16187456, 20173312, 20234320, 20887040, 24478592, 25216640, 30598240, 31363196, 32374912, 39203995, 40468640, 48957184, 50433280, 61196480, 62726392, 64749824, 78407990, 80937280, 97914368, 100866560, 122392960, 125452784, 129499648, 156815980, 161874560, 244785920, 250905568, 313631960, 323749120, 489571840, 501811136, 627263920, 647498240, 1003622272, 1254527840, 2007244544, 2509055680, 4014489088, 5018111360, 10036222720, 20072445440]

約数ペア:

[(1, 20072445440), (2, 10036222720), (4, 5018111360), (5, 4014489088), (8, 2509055680), (10, 2007244544), (16, 1254527840), (20, 1003622272), (31, 647498240), (32, 627263920), (40, 501811136), (41, 489571840), (62, 323749120), (64, 313631960), (80, 250905568), (82, 244785920), (124, 161874560), (128, 156815980), (155, 129499648), (160, 125452784), (164, 122392960), (199, 100866560), (205, 97914368), (248, 80937280), (256, 78407990), (310, 64749824), (320, 62726392), (328, 61196480), (398, 50433280), (410, 48957184), (496, 40468640), (512, 39203995), (620, 32374912), (640, 31363196), (656, 30598240), (796, 25216640), (820, 24478592), (961, 20887040), (992, 20234320), (995, 20173312), (1240, 16187456), (1271, 15792640), (1280, 15681598), (1312, 15299120), (1592, 12608320), (1640, 12239296), (1922, 10443520), (1984, 10117160), (1990, 10086656), (2480, 8093728), (2542, 7896320), (2560, 7840799), (2624, 7649560), (3184, 6304160), (3280, 6119648), (3844, 5221760), (3968, 5058580), (3980, 5043328), (4805, 4177408), (4960, 4046864), (5084, 3948160), (5248, 3824780), (6169, 3253760), (6355, 3158528), (6368, 3152080), (6560, 3059824), (7688, 2610880), (7936, 2529290), (7960, 2521664), (8159, 2460160), (9610, 2088704), (9920, 2023432), (10168, 1974080), (10496, 1912390), (12338, 1626880), (12710, 1579264), (12736, 1576040), (13120, 1529912), (15376, 1305440), (15872, 1264645), (15920, 1260832), (16318, 1230080), (19220, 1044352), (19840, 1011716), (20336, 987040), (20992, 956195), (24676, 813440), (25420, 789632), (25472, 788020), (26240, 764956), (30752, 652720), (30845, 650752), (31840, 630416), (32636, 615040), (38440, 522176), (39401, 509440), (39680, 505858), (40672, 493520), (40795, 492032), (49352, 406720), (50840, 394816), (50944, 394010), (52480, 382478), (61504, 326360), (61690, 325376), (63680, 315208), (65272, 307520), (76880, 261088), (78802, 254720), (79360, 252929), (81344, 246760), (81590, 246016), (98704, 203360), (101680, 197408), (101888, 197005), (104960, 191239), (123008, 163180), (123380, 162688), (127360, 157604), (130544, 153760)]