89865580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641897}}^1$

素因数の和:641913

約数の個数: 24

約数和(自身を含む): 215677728

約数和(自身を除く): 125812148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641897, 1283794, 2567588, 3209485, 4493279, 6418970, 8986558, 12837940, 17973116, 22466395, 44932790, 89865580]

約数ペア:

[(1, 89865580), (2, 44932790), (4, 22466395), (5, 17973116), (7, 12837940), (10, 8986558), (14, 6418970), (20, 4493279), (28, 3209485), (35, 2567588), (70, 1283794), (140, 641897)]