86438680

素因数分解:

$2^3\times 5^1\times {\mathrm{2160967}}^1$

素因数の和:2160978

約数の個数: 16

約数和(自身を含む): 194487120

約数和(自身を除く): 108048440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2160967, 4321934, 8643868, 10804835, 17287736, 21609670, 43219340, 86438680]

約数ペア:

[(1, 86438680), (2, 43219340), (4, 21609670), (5, 17287736), (8, 10804835), (10, 8643868), (20, 4321934), (40, 2160967)]