120260080

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1831}}^1$

素因数の和:2665

約数の個数: 40

約数和(自身を含む): 280098144

約数和(自身を除く): 159838064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1642, 1831, 3284, 3662, 4105, 6568, 7324, 8210, 9155, 13136, 14648, 16420, 18310, 29296, 32840, 36620, 65680, 73240, 146480, 1503251, 3006502, 6013004, 7516255, 12026008, 15032510, 24052016, 30065020, 60130040, 120260080]

約数ペア:

[(1, 120260080), (2, 60130040), (4, 30065020), (5, 24052016), (8, 15032510), (10, 12026008), (16, 7516255), (20, 6013004), (40, 3006502), (80, 1503251), (821, 146480), (1642, 73240), (1831, 65680), (3284, 36620), (3662, 32840), (4105, 29296), (6568, 18310), (7324, 16420), (8210, 14648), (9155, 13136)]