87740020

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{4127}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 184472064

約数和(自身を除く): 96732044

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 4127, 4252, 5315, 8254, 10630, 16508, 20635, 21260, 41270, 82540, 4387001, 8774002, 17548004, 21935005, 43870010, 87740020]

約数ペア:

[(1, 87740020), (2, 43870010), (4, 21935005), (5, 17548004), (10, 8774002), (20, 4387001), (1063, 82540), (2126, 41270), (4127, 21260), (4252, 20635), (5315, 16508), (8254, 10630)]