12667280

素因数分解:

$2^4\times 5^1\times {\mathrm{158341}}^1$

素因数の和:158354

約数の個数: 20

約数和(自身を含む): 29451612

約数和(自身を除く): 16784332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158341, 316682, 633364, 791705, 1266728, 1583410, 2533456, 3166820, 6333640, 12667280]

約数ペア:

[(1, 12667280), (2, 6333640), (4, 3166820), (5, 2533456), (8, 1583410), (10, 1266728), (16, 791705), (20, 633364), (40, 316682), (80, 158341)]