157650625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 224478144

約数和(自身を除く): 66827519

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 625, 997, 1265, 1375, 2875, 4985, 6325, 6875, 10967, 14375, 22931, 24925, 31625, 54835, 114655, 124625, 158125, 252241, 274175, 573275, 623125, 1261205, 1370875, 2866375, 6306025, 6854375, 14331875, 31530125, 157650625]

約数ペア:

[(1, 157650625), (5, 31530125), (11, 14331875), (23, 6854375), (25, 6306025), (55, 2866375), (115, 1370875), (125, 1261205), (253, 623125), (275, 573275), (575, 274175), (625, 252241), (997, 158125), (1265, 124625), (1375, 114655), (2875, 54835), (4985, 31625), (6325, 24925), (6875, 22931), (10967, 14375)]