2802920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 6393600

約数和(自身を除く): 3590680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 887, 1580, 1774, 3160, 3548, 4435, 7096, 8870, 17740, 35480, 70073, 140146, 280292, 350365, 560584, 700730, 1401460, 2802920]

約数ペア:

[(1, 2802920), (2, 1401460), (4, 700730), (5, 560584), (8, 350365), (10, 280292), (20, 140146), (40, 70073), (79, 35480), (158, 17740), (316, 8870), (395, 7096), (632, 4435), (790, 3548), (887, 3160), (1580, 1774)]