87704920

素因数分解:

$2^3\times 5^1\times {\mathrm{2192623}}^1$

素因数の和:2192634

約数の個数: 16

約数和(自身を含む): 197336160

約数和(自身を除く): 109631240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2192623, 4385246, 8770492, 10963115, 17540984, 21926230, 43852460, 87704920]

約数ペア:

[(1, 87704920), (2, 43852460), (4, 21926230), (5, 17540984), (8, 10963115), (10, 8770492), (20, 4385246), (40, 2192623)]