5579777620

素因数分解:

$2^2\times 5^1\times {\mathrm{278988881}}^1$

素因数の和:278988890

約数の個数: 12

約数和(自身を含む): 11717533044

約数和(自身を除く): 6137755424

約数列:

[1, 2, 4, 5, 10, 20, 278988881, 557977762, 1115955524, 1394944405, 2789888810, 5579777620]

約数ペア:

[(1, 5579777620), (2, 2789888810), (4, 1394944405), (5, 1115955524), (10, 557977762), (20, 278988881)]