87200180

素因数分解:

$2^2\times 5^1\times {\mathrm{4360009}}^1$

素因数の和:4360018

約数の個数: 12

約数和(自身を含む): 183120420

約数和(自身を除く): 95920240

約数列:

[1, 2, 4, 5, 10, 20, 4360009, 8720018, 17440036, 21800045, 43600090, 87200180]

約数ペア:

[(1, 87200180), (2, 43600090), (4, 21800045), (5, 17440036), (10, 8720018), (20, 4360009)]