3982840

素因数分解:

$2^3\times 5^1\times {\mathrm{99571}}^1$

素因数の和:99582

約数の個数: 16

約数和(自身を含む): 8961480

約数和(自身を除く): 4978640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99571, 199142, 398284, 497855, 796568, 995710, 1991420, 3982840]

約数ペア:

[(1, 3982840), (2, 1991420), (4, 995710), (5, 796568), (8, 497855), (10, 398284), (20, 199142), (40, 99571)]