12666860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8017}}^1$

素因数の和:8105

約数の個数: 24

約数和(自身を含む): 26940480

約数和(自身を除く): 14273620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8017, 16034, 32068, 40085, 80170, 160340, 633343, 1266686, 2533372, 3166715, 6333430, 12666860]

約数ペア:

[(1, 12666860), (2, 6333430), (4, 3166715), (5, 2533372), (10, 1266686), (20, 633343), (79, 160340), (158, 80170), (316, 40085), (395, 32068), (790, 16034), (1580, 8017)]