57780125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 82411056

約数和(自身を除く): 24630931

約数列:

[1, 5, 13, 25, 31, 37, 65, 125, 155, 185, 325, 403, 481, 775, 925, 961, 1147, 1625, 2015, 2405, 3875, 4625, 4805, 5735, 10075, 12025, 12493, 14911, 24025, 28675, 35557, 50375, 60125, 62465, 74555, 120125, 143375, 177785, 312325, 372775, 462241, 888925, 1561625, 1863875, 2311205, 4444625, 11556025, 57780125]

約数ペア:

[(1, 57780125), (5, 11556025), (13, 4444625), (25, 2311205), (31, 1863875), (37, 1561625), (65, 888925), (125, 462241), (155, 372775), (185, 312325), (325, 177785), (403, 143375), (481, 120125), (775, 74555), (925, 62465), (961, 60125), (1147, 50375), (1625, 35557), (2015, 28675), (2405, 24025), (3875, 14911), (4625, 12493), (4805, 12025), (5735, 10075)]