87820310

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{41621}}^1$

素因数の和:41839

約数の個数: 16

約数和(自身を含む): 158829552

約数和(自身を除く): 71009242

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 41621, 83242, 208105, 416210, 8782031, 17564062, 43910155, 87820310]

約数ペア:

[(1, 87820310), (2, 43910155), (5, 17564062), (10, 8782031), (211, 416210), (422, 208105), (1055, 83242), (2110, 41621)]