20512223050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3779}}^1$

素因数の和:4012

約数の個数: 96

約数和(自身を含む): 42522278400

約数和(自身を除く): 22010055350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 139, 142, 275, 278, 355, 550, 695, 710, 781, 1390, 1529, 1562, 1775, 3058, 3475, 3550, 3779, 3905, 6950, 7558, 7645, 7810, 9869, 15290, 18895, 19525, 19738, 37790, 38225, 39050, 41569, 49345, 76450, 83138, 94475, 98690, 108559, 188950, 207845, 217118, 246725, 268309, 415690, 493450, 525281, 536618, 542795, 1039225, 1050562, 1085590, 1341545, 2078450, 2626405, 2683090, 2713975, 2951399, 5252810, 5427950, 5778091, 5902798, 6707725, 11556182, 13132025, 13415450, 14756995, 26264050, 28890455, 29513990, 37294951, 57780910, 73784975, 74589902, 144452275, 147569950, 186474755, 288904550, 372949510, 410244461, 820488922, 932373775, 1864747550, 2051222305, 4102444610, 10256111525, 20512223050]

約数ペア:

[(1, 20512223050), (2, 10256111525), (5, 4102444610), (10, 2051222305), (11, 1864747550), (22, 932373775), (25, 820488922), (50, 410244461), (55, 372949510), (71, 288904550), (110, 186474755), (139, 147569950), (142, 144452275), (275, 74589902), (278, 73784975), (355, 57780910), (550, 37294951), (695, 29513990), (710, 28890455), (781, 26264050), (1390, 14756995), (1529, 13415450), (1562, 13132025), (1775, 11556182), (3058, 6707725), (3475, 5902798), (3550, 5778091), (3779, 5427950), (3905, 5252810), (6950, 2951399), (7558, 2713975), (7645, 2683090), (7810, 2626405), (9869, 2078450), (15290, 1341545), (18895, 1085590), (19525, 1050562), (19738, 1039225), (37790, 542795), (38225, 536618), (39050, 525281), (41569, 493450), (49345, 415690), (76450, 268309), (83138, 246725), (94475, 217118), (98690, 207845), (108559, 188950)]