87494540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624961}}^1$

素因数の和:624977

約数の個数: 24

約数和(自身を含む): 209987232

約数和(自身を除く): 122492692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624961, 1249922, 2499844, 3124805, 4374727, 6249610, 8749454, 12499220, 17498908, 21873635, 43747270, 87494540]

約数ペア:

[(1, 87494540), (2, 43747270), (4, 21873635), (5, 17498908), (7, 12499220), (10, 8749454), (14, 6249610), (20, 4374727), (28, 3124805), (35, 2499844), (70, 1249922), (140, 624961)]