28267960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100957}}^1$

素因数の和:100975

約数の個数: 32

約数和(自身を含む): 72689760

約数和(自身を除く): 44421800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100957, 201914, 403828, 504785, 706699, 807656, 1009570, 1413398, 2019140, 2826796, 3533495, 4038280, 5653592, 7066990, 14133980, 28267960]

約数ペア:

[(1, 28267960), (2, 14133980), (4, 7066990), (5, 5653592), (7, 4038280), (8, 3533495), (10, 2826796), (14, 2019140), (20, 1413398), (28, 1009570), (35, 807656), (40, 706699), (56, 504785), (70, 403828), (140, 201914), (280, 100957)]