2497480401025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1571}}^1\times {\mathrm{20897}}^1$

素因数の和:22674

約数の個数: 48

約数和(自身を含む): 3299620328640

約数和(自身を除く): 802139927615

約数列:

[1, 5, 17, 25, 85, 179, 425, 895, 1571, 3043, 4475, 7855, 15215, 20897, 26707, 39275, 76075, 104485, 133535, 281209, 355249, 522425, 667675, 1406045, 1776245, 3740563, 4780553, 7030225, 8881225, 18702815, 23902765, 32829187, 63589571, 93514075, 119513825, 164145935, 317947855, 558096179, 820729675, 1589739275, 2790480895, 5876424473, 13952404475, 29382122365, 99899216041, 146910611825, 499496080205, 2497480401025]

約数ペア:

[(1, 2497480401025), (5, 499496080205), (17, 146910611825), (25, 99899216041), (85, 29382122365), (179, 13952404475), (425, 5876424473), (895, 2790480895), (1571, 1589739275), (3043, 820729675), (4475, 558096179), (7855, 317947855), (15215, 164145935), (20897, 119513825), (26707, 93514075), (39275, 63589571), (76075, 32829187), (104485, 23902765), (133535, 18702815), (281209, 8881225), (355249, 7030225), (522425, 4780553), (667675, 3740563), (1406045, 1776245)]