39608680

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3499}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 89460000

約数和(自身を除く): 49851320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 3499, 5660, 6998, 11320, 13996, 17495, 27992, 34990, 69980, 139960, 990217, 1980434, 3960868, 4951085, 7921736, 9902170, 19804340, 39608680]

約数ペア:

[(1, 39608680), (2, 19804340), (4, 9902170), (5, 7921736), (8, 4951085), (10, 3960868), (20, 1980434), (40, 990217), (283, 139960), (566, 69980), (1132, 34990), (1415, 27992), (2264, 17495), (2830, 13996), (3499, 11320), (5660, 6998)]