89811380

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3511}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 188805120

約数和(自身を除く): 98993740

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 3511, 5116, 6395, 7022, 12790, 14044, 17555, 25580, 35110, 70220, 4490569, 8981138, 17962276, 22452845, 44905690, 89811380]

約数ペア:

[(1, 89811380), (2, 44905690), (4, 22452845), (5, 17962276), (10, 8981138), (20, 4490569), (1279, 70220), (2558, 35110), (3511, 25580), (5116, 17555), (6395, 14044), (7022, 12790)]