87560140

素因数分解:

$2^2\times 5^1\times {\mathrm{4378007}}^1$

素因数の和:4378016

約数の個数: 12

約数和(自身を含む): 183876336

約数和(自身を除く): 96316196

約数列:

[1, 2, 4, 5, 10, 20, 4378007, 8756014, 17512028, 21890035, 43780070, 87560140]

約数ペア:

[(1, 87560140), (2, 43780070), (4, 21890035), (5, 17512028), (10, 8756014), (20, 4378007)]