12758960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3765

約数の個数: 40

約数和(自身を含む): 30362640

約数和(自身を除く): 17603680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3709, 7418, 14836, 18545, 29672, 37090, 59344, 74180, 148360, 159487, 296720, 318974, 637948, 797435, 1275896, 1594870, 2551792, 3189740, 6379480, 12758960]

約数ペア:

[(1, 12758960), (2, 6379480), (4, 3189740), (5, 2551792), (8, 1594870), (10, 1275896), (16, 797435), (20, 637948), (40, 318974), (43, 296720), (80, 159487), (86, 148360), (172, 74180), (215, 59344), (344, 37090), (430, 29672), (688, 18545), (860, 14836), (1720, 7418), (3440, 3709)]