66311120

素因数分解:

$2^4\times 5^1\times {\mathrm{828889}}^1$

素因数の和:828902

約数の個数: 20

約数和(自身を含む): 154173540

約数和(自身を除く): 87862420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 828889, 1657778, 3315556, 4144445, 6631112, 8288890, 13262224, 16577780, 33155560, 66311120]

約数ペア:

[(1, 66311120), (2, 33155560), (4, 16577780), (5, 13262224), (8, 8288890), (10, 6631112), (16, 4144445), (20, 3315556), (40, 1657778), (80, 828889)]