66435920

素因数分解:

$2^4\times 5^1\times {\mathrm{830449}}^1$

素因数の和:830462

約数の個数: 20

約数和(自身を含む): 154463700

約数和(自身を除く): 88027780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830449, 1660898, 3321796, 4152245, 6643592, 8304490, 13287184, 16608980, 33217960, 66435920]

約数ペア:

[(1, 66435920), (2, 33217960), (4, 16608980), (5, 13287184), (8, 8304490), (10, 6643592), (16, 4152245), (20, 3321796), (40, 1660898), (80, 830449)]