61256080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17807}}^1$

素因数の和:17863

約数の個数: 40

約数和(自身を含む): 145740672

約数和(自身を除く): 84484592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 17807, 35614, 71228, 89035, 142456, 178070, 284912, 356140, 712280, 765701, 1424560, 1531402, 3062804, 3828505, 6125608, 7657010, 12251216, 15314020, 30628040, 61256080]

約数ペア:

[(1, 61256080), (2, 30628040), (4, 15314020), (5, 12251216), (8, 7657010), (10, 6125608), (16, 3828505), (20, 3062804), (40, 1531402), (43, 1424560), (80, 765701), (86, 712280), (172, 356140), (215, 284912), (344, 178070), (430, 142456), (688, 89035), (860, 71228), (1720, 35614), (3440, 17807)]