90442160

素因数分解:

$2^4\times 5^1\times {\mathrm{1130527}}^1$

素因数の和:1130540

約数の個数: 20

約数和(自身を含む): 210278208

約数和(自身を除く): 119836048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130527, 2261054, 4522108, 5652635, 9044216, 11305270, 18088432, 22610540, 45221080, 90442160]

約数ペア:

[(1, 90442160), (2, 45221080), (4, 22610540), (5, 18088432), (8, 11305270), (10, 9044216), (16, 5652635), (20, 4522108), (40, 2261054), (80, 1130527)]