7128680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13709}}^1$

素因数の和:13733

約数の個数: 32

約数和(自身を含む): 17274600

約数和(自身を除く): 10145920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13709, 27418, 54836, 68545, 109672, 137090, 178217, 274180, 356434, 548360, 712868, 891085, 1425736, 1782170, 3564340, 7128680]

約数ペア:

[(1, 7128680), (2, 3564340), (4, 1782170), (5, 1425736), (8, 891085), (10, 712868), (13, 548360), (20, 356434), (26, 274180), (40, 178217), (52, 137090), (65, 109672), (104, 68545), (130, 54836), (260, 27418), (520, 13709)]