82647550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 161132544

約数和(自身を除く): 78484994

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 751, 775, 1502, 1550, 1775, 2201, 3550, 3755, 4402, 7510, 11005, 18775, 22010, 23281, 37550, 46562, 53321, 55025, 106642, 110050, 116405, 232810, 266605, 533210, 582025, 1164050, 1333025, 1652951, 2666050, 3305902, 8264755, 16529510, 41323775, 82647550]

約数ペア:

[(1, 82647550), (2, 41323775), (5, 16529510), (10, 8264755), (25, 3305902), (31, 2666050), (50, 1652951), (62, 1333025), (71, 1164050), (142, 582025), (155, 533210), (310, 266605), (355, 232810), (710, 116405), (751, 110050), (775, 106642), (1502, 55025), (1550, 53321), (1775, 46562), (2201, 37550), (3550, 23281), (3755, 22010), (4402, 18775), (7510, 11005)]