39812440

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3517}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 89920080

約数和(自身を除く): 50107640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 3517, 5660, 7034, 11320, 14068, 17585, 28136, 35170, 70340, 140680, 995311, 1990622, 3981244, 4976555, 7962488, 9953110, 19906220, 39812440]

約数ペア:

[(1, 39812440), (2, 19906220), (4, 9953110), (5, 7962488), (8, 4976555), (10, 3981244), (20, 1990622), (40, 995311), (283, 140680), (566, 70340), (1132, 35170), (1415, 28136), (2264, 17585), (2830, 14068), (3517, 11320), (5660, 7034)]