210822760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{24979}}^1$

素因数の和:25201

約数の個数: 32

約数和(自身を含む): 476618400

約数和(自身を除く): 265795640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 24979, 49958, 99916, 124895, 199832, 249790, 499580, 999160, 5270569, 10541138, 21082276, 26352845, 42164552, 52705690, 105411380, 210822760]

約数ペア:

[(1, 210822760), (2, 105411380), (4, 52705690), (5, 42164552), (8, 26352845), (10, 21082276), (20, 10541138), (40, 5270569), (211, 999160), (422, 499580), (844, 249790), (1055, 199832), (1688, 124895), (2110, 99916), (4220, 49958), (8440, 24979)]