69238640

素因数分解:

$2^4\times 5^1\times {\mathrm{865483}}^1$

素因数の和:865496

約数の個数: 20

約数和(自身を含む): 160980024

約数和(自身を除く): 91741384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 865483, 1730966, 3461932, 4327415, 6923864, 8654830, 13847728, 17309660, 34619320, 69238640]

約数ペア:

[(1, 69238640), (2, 34619320), (4, 17309660), (5, 13847728), (8, 8654830), (10, 6923864), (16, 4327415), (20, 3461932), (40, 1730966), (80, 865483)]