12542480

素因数分解:

$2^4\times 5^1\times {\mathrm{156781}}^1$

素因数の和:156794

約数の個数: 20

約数和(自身を含む): 29161452

約数和(自身を除く): 16618972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156781, 313562, 627124, 783905, 1254248, 1567810, 2508496, 3135620, 6271240, 12542480]

約数ペア:

[(1, 12542480), (2, 6271240), (4, 3135620), (5, 2508496), (8, 1567810), (10, 1254248), (16, 783905), (20, 627124), (40, 313562), (80, 156781)]