26612680

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1277}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 60040440

約数和(自身を除く): 33427760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1277, 2084, 2554, 2605, 4168, 5108, 5210, 6385, 10216, 10420, 12770, 20840, 25540, 51080, 665317, 1330634, 2661268, 3326585, 5322536, 6653170, 13306340, 26612680]

約数ペア:

[(1, 26612680), (2, 13306340), (4, 6653170), (5, 5322536), (8, 3326585), (10, 2661268), (20, 1330634), (40, 665317), (521, 51080), (1042, 25540), (1277, 20840), (2084, 12770), (2554, 10420), (2605, 10216), (4168, 6385), (5108, 5210)]