79271120

素因数分解:

$2^4\times 5^1\times {\mathrm{990889}}^1$

素因数の和:990902

約数の個数: 20

約数和(自身を含む): 184305540

約数和(自身を除く): 105034420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990889, 1981778, 3963556, 4954445, 7927112, 9908890, 15854224, 19817780, 39635560, 79271120]

約数ペア:

[(1, 79271120), (2, 39635560), (4, 19817780), (5, 15854224), (8, 9908890), (10, 7927112), (16, 4954445), (20, 3963556), (40, 1981778), (80, 990889)]