68906960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10903}}^1$

素因数の和:10995

約数の個数: 40

約数和(自身を含む): 162251520

約数和(自身を除く): 93344560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10903, 21806, 43612, 54515, 87224, 109030, 174448, 218060, 436120, 861337, 872240, 1722674, 3445348, 4306685, 6890696, 8613370, 13781392, 17226740, 34453480, 68906960]

約数ペア:

[(1, 68906960), (2, 34453480), (4, 17226740), (5, 13781392), (8, 8613370), (10, 6890696), (16, 4306685), (20, 3445348), (40, 1722674), (79, 872240), (80, 861337), (158, 436120), (316, 218060), (395, 174448), (632, 109030), (790, 87224), (1264, 54515), (1580, 43612), (3160, 21806), (6320, 10903)]