13326860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7487}}^1$

素因数の和:7585

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 14977780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7487, 14974, 29948, 37435, 74870, 149740, 666343, 1332686, 2665372, 3331715, 6663430, 13326860]

約数ペア:

[(1, 13326860), (2, 6663430), (4, 3331715), (5, 2665372), (10, 1332686), (20, 666343), (89, 149740), (178, 74870), (356, 37435), (445, 29948), (890, 14974), (1780, 7487)]