87662020

素因数分解:

$2^2\times 5^1\times {\mathrm{4383101}}^1$

素因数の和:4383110

約数の個数: 12

約数和(自身を含む): 184090284

約数和(自身を除く): 96428264

約数列:

[1, 2, 4, 5, 10, 20, 4383101, 8766202, 17532404, 21915505, 43831010, 87662020]

約数ペア:

[(1, 87662020), (2, 43831010), (4, 21915505), (5, 17532404), (10, 8766202), (20, 4383101)]