86931020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395141}}^1$

素因数の和:395161

約数の個数: 24

約数和(自身を含む): 199151568

約数和(自身を除く): 112220548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 395141, 790282, 1580564, 1975705, 3951410, 4346551, 7902820, 8693102, 17386204, 21732755, 43465510, 86931020]

約数ペア:

[(1, 86931020), (2, 43465510), (4, 21732755), (5, 17386204), (10, 8693102), (11, 7902820), (20, 4346551), (22, 3951410), (44, 1975705), (55, 1580564), (110, 790282), (220, 395141)]