20172612080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 50525337600

約数和(自身を除く): 30352725520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 359, 395, 523, 632, 680, 718, 790, 1046, 1264, 1343, 1360, 1436, 1580, 1795, 2092, 2615, 2686, 2872, 3160, 3590, 4184, 5230, 5372, 5744, 6103, 6320, 6715, 7180, 8368, 8891, 10460, 10744, 12206, 13430, 14360, 17782, 20920, 21488, 24412, 26860, 28361, 28720, 30515, 35564, 41317, 41840, 44455, 48824, 53720, 56722, 61030, 71128, 82634, 88910, 97648, 107440, 113444, 122060, 141805, 142256, 165268, 177820, 187757, 206585, 226888, 244120, 283610, 330536, 355640, 375514, 413170, 453776, 482137, 488240, 567220, 661072, 702389, 711280, 751028, 826340, 938785, 964274, 1134440, 1404778, 1502056, 1652680, 1877570, 1928548, 2268880, 2410685, 2809556, 3004112, 3191869, 3305360, 3511945, 3755140, 3857096, 4821370, 5619112, 6383738, 7023890, 7510280, 7714192, 9642740, 11238224, 12767476, 14047780, 14832803, 15020560, 15959345, 19285480, 25534952, 28095560, 29665606, 31918690, 38570960, 51069904, 56191120, 59331212, 63837380, 74164015, 118662424, 127674760, 148328030, 237324848, 252157651, 255349520, 296656060, 504315302, 593312120, 1008630604, 1186624240, 1260788255, 2017261208, 2521576510, 4034522416, 5043153020, 10086306040, 20172612080]

約数ペア:

[(1, 20172612080), (2, 10086306040), (4, 5043153020), (5, 4034522416), (8, 2521576510), (10, 2017261208), (16, 1260788255), (17, 1186624240), (20, 1008630604), (34, 593312120), (40, 504315302), (68, 296656060), (79, 255349520), (80, 252157651), (85, 237324848), (136, 148328030), (158, 127674760), (170, 118662424), (272, 74164015), (316, 63837380), (340, 59331212), (359, 56191120), (395, 51069904), (523, 38570960), (632, 31918690), (680, 29665606), (718, 28095560), (790, 25534952), (1046, 19285480), (1264, 15959345), (1343, 15020560), (1360, 14832803), (1436, 14047780), (1580, 12767476), (1795, 11238224), (2092, 9642740), (2615, 7714192), (2686, 7510280), (2872, 7023890), (3160, 6383738), (3590, 5619112), (4184, 4821370), (5230, 3857096), (5372, 3755140), (5744, 3511945), (6103, 3305360), (6320, 3191869), (6715, 3004112), (7180, 2809556), (8368, 2410685), (8891, 2268880), (10460, 1928548), (10744, 1877570), (12206, 1652680), (13430, 1502056), (14360, 1404778), (17782, 1134440), (20920, 964274), (21488, 938785), (24412, 826340), (26860, 751028), (28361, 711280), (28720, 702389), (30515, 661072), (35564, 567220), (41317, 488240), (41840, 482137), (44455, 453776), (48824, 413170), (53720, 375514), (56722, 355640), (61030, 330536), (71128, 283610), (82634, 244120), (88910, 226888), (97648, 206585), (107440, 187757), (113444, 177820), (122060, 165268), (141805, 142256)]