87620540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625861}}^1$

素因数の和:625877

約数の個数: 24

約数和(自身を含む): 210289632

約数和(自身を除く): 122669092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625861, 1251722, 2503444, 3129305, 4381027, 6258610, 8762054, 12517220, 17524108, 21905135, 43810270, 87620540]

約数ペア:

[(1, 87620540), (2, 43810270), (4, 21905135), (5, 17524108), (7, 12517220), (10, 8762054), (14, 6258610), (20, 4381027), (28, 3129305), (35, 2503444), (70, 1251722), (140, 625861)]