68622160

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1747}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 159962976

約数和(自身を除く): 91340816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1747, 1964, 2455, 3494, 3928, 4910, 6988, 7856, 8735, 9820, 13976, 17470, 19640, 27952, 34940, 39280, 69880, 139760, 857777, 1715554, 3431108, 4288885, 6862216, 8577770, 13724432, 17155540, 34311080, 68622160]

約数ペア:

[(1, 68622160), (2, 34311080), (4, 17155540), (5, 13724432), (8, 8577770), (10, 6862216), (16, 4288885), (20, 3431108), (40, 1715554), (80, 857777), (491, 139760), (982, 69880), (1747, 39280), (1964, 34940), (2455, 27952), (3494, 19640), (3928, 17470), (4910, 13976), (6988, 9820), (7856, 8735)]