55556560

素因数分解:

$2^4\times 5^1\times {\mathrm{694457}}^1$

素因数の和:694470

約数の個数: 20

約数和(自身を含む): 129169188

約数和(自身を除く): 73612628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694457, 1388914, 2777828, 3472285, 5555656, 6944570, 11111312, 13889140, 27778280, 55556560]

約数ペア:

[(1, 55556560), (2, 27778280), (4, 13889140), (5, 11111312), (8, 6944570), (10, 5555656), (16, 3472285), (20, 2777828), (40, 1388914), (80, 694457)]