81076360

素因数分解:

$2^3\times 5^1\times {\mathrm{2026909}}^1$

素因数の和:2026920

約数の個数: 16

約数和(自身を含む): 182421900

約数和(自身を除く): 101345540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2026909, 4053818, 8107636, 10134545, 16215272, 20269090, 40538180, 81076360]

約数ペア:

[(1, 81076360), (2, 40538180), (4, 20269090), (5, 16215272), (8, 10134545), (10, 8107636), (20, 4053818), (40, 2026909)]