131050160

素因数分解:

$2^4\times 5^1\times {\mathrm{1638127}}^1$

素因数の和:1638140

約数の個数: 20

約数和(自身を含む): 304691808

約数和(自身を除く): 173641648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1638127, 3276254, 6552508, 8190635, 13105016, 16381270, 26210032, 32762540, 65525080, 131050160]

約数ペア:

[(1, 131050160), (2, 65525080), (4, 32762540), (5, 26210032), (8, 16381270), (10, 13105016), (16, 8190635), (20, 6552508), (40, 3276254), (80, 1638127)]