77915500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{11987}}^1$

素因数の和:12019

約数の個数: 48

約数和(自身を含む): 183272544

約数和(自身を除く): 105357044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 11987, 23974, 47948, 59935, 119870, 155831, 239740, 299675, 311662, 599350, 623324, 779155, 1198700, 1498375, 1558310, 2996750, 3116620, 3895775, 5993500, 7791550, 15583100, 19478875, 38957750, 77915500]

約数ペア:

[(1, 77915500), (2, 38957750), (4, 19478875), (5, 15583100), (10, 7791550), (13, 5993500), (20, 3895775), (25, 3116620), (26, 2996750), (50, 1558310), (52, 1498375), (65, 1198700), (100, 779155), (125, 623324), (130, 599350), (250, 311662), (260, 299675), (325, 239740), (500, 155831), (650, 119870), (1300, 59935), (1625, 47948), (3250, 23974), (6500, 11987)]