86501980

素因数分解:

$2^2\times 5^1\times {\mathrm{4325099}}^1$

素因数の和:4325108

約数の個数: 12

約数和(自身を含む): 181654200

約数和(自身を除く): 95152220

約数列:

[1, 2, 4, 5, 10, 20, 4325099, 8650198, 17300396, 21625495, 43250990, 86501980]

約数ペア:

[(1, 86501980), (2, 43250990), (4, 21625495), (5, 17300396), (10, 8650198), (20, 4325099)]