55716560

素因数分解:

$2^4\times 5^1\times {\mathrm{696457}}^1$

素因数の和:696470

約数の個数: 20

約数和(自身を含む): 129541188

約数和(自身を除く): 73824628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 696457, 1392914, 2785828, 3482285, 5571656, 6964570, 11143312, 13929140, 27858280, 55716560]

約数ペア:

[(1, 55716560), (2, 27858280), (4, 13929140), (5, 11143312), (8, 6964570), (10, 5571656), (16, 3482285), (20, 2785828), (40, 1392914), (80, 696457)]