87551660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625369}}^1$

素因数の和:625385

約数の個数: 24

約数和(自身を含む): 210124320

約数和(自身を除く): 122572660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625369, 1250738, 2501476, 3126845, 4377583, 6253690, 8755166, 12507380, 17510332, 21887915, 43775830, 87551660]

約数ペア:

[(1, 87551660), (2, 43775830), (4, 21887915), (5, 17510332), (7, 12507380), (10, 8755166), (14, 6253690), (20, 4377583), (28, 3126845), (35, 2501476), (70, 1250738), (140, 625369)]