87763420

素因数分解:

$2^2\times 5^1\times {\mathrm{4388171}}^1$

素因数の和:4388180

約数の個数: 12

約数和(自身を含む): 184303224

約数和(自身を除く): 96539804

約数列:

[1, 2, 4, 5, 10, 20, 4388171, 8776342, 17552684, 21940855, 43881710, 87763420]

約数ペア:

[(1, 87763420), (2, 43881710), (4, 21940855), (5, 17552684), (10, 8776342), (20, 4388171)]