2787850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4314

約数の個数: 24

約数和(自身を含む): 5585580

約数和(自身を除く): 2797730

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 4289, 8578, 21445, 42890, 55757, 107225, 111514, 214450, 278785, 557570, 1393925, 2787850]

約数ペア:

[(1, 2787850), (2, 1393925), (5, 557570), (10, 278785), (13, 214450), (25, 111514), (26, 107225), (50, 55757), (65, 42890), (130, 21445), (325, 8578), (650, 4289)]