12311120

素因数分解:

$2^4\times 5^1\times {\mathrm{153889}}^1$

素因数の和:153902

約数の個数: 20

約数和(自身を含む): 28623540

約数和(自身を除く): 16312420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 153889, 307778, 615556, 769445, 1231112, 1538890, 2462224, 3077780, 6155560, 12311120]

約数ペア:

[(1, 12311120), (2, 6155560), (4, 3077780), (5, 2462224), (8, 1538890), (10, 1231112), (16, 769445), (20, 615556), (40, 307778), (80, 153889)]