4028375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 5643456

約数和(自身を除く): 1615081

約数列:

[1, 5, 13, 25, 37, 65, 67, 125, 185, 325, 335, 481, 871, 925, 1625, 1675, 2405, 2479, 4355, 4625, 8375, 12025, 12395, 21775, 32227, 60125, 61975, 108875, 161135, 309875, 805675, 4028375]

約数ペア:

[(1, 4028375), (5, 805675), (13, 309875), (25, 161135), (37, 108875), (65, 61975), (67, 60125), (125, 32227), (185, 21775), (325, 12395), (335, 12025), (481, 8375), (871, 4625), (925, 4355), (1625, 2479), (1675, 2405)]