90876020

素因数分解:

$2^2\times 5^1\times {\mathrm{4543801}}^1$

素因数の和:4543810

約数の個数: 12

約数和(自身を含む): 190839684

約数和(自身を除く): 99963664

約数列:

[1, 2, 4, 5, 10, 20, 4543801, 9087602, 18175204, 22719005, 45438010, 90876020]

約数ペア:

[(1, 90876020), (2, 45438010), (4, 22719005), (5, 18175204), (10, 9087602), (20, 4543801)]