90107890

素因数分解:

$2^1\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{4441}}^1$

素因数の和:6477

約数の個数: 16

約数和(自身を含む): 162310680

約数和(自身を除く): 72202790

約数列:

[1, 2, 5, 10, 2029, 4058, 4441, 8882, 10145, 20290, 22205, 44410, 9010789, 18021578, 45053945, 90107890]

約数ペア:

[(1, 90107890), (2, 45053945), (5, 18021578), (10, 9010789), (2029, 44410), (4058, 22205), (4441, 20290), (8882, 10145)]