9884780

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 20820240

約数和(自身を除く): 10935460

約数列:

[1, 2, 4, 5, 10, 20, 509, 971, 1018, 1942, 2036, 2545, 3884, 4855, 5090, 9710, 10180, 19420, 494239, 988478, 1976956, 2471195, 4942390, 9884780]

約数ペア:

[(1, 9884780), (2, 4942390), (4, 2471195), (5, 1976956), (10, 988478), (20, 494239), (509, 19420), (971, 10180), (1018, 9710), (1942, 5090), (2036, 4855), (2545, 3884)]