9872780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25981}}^1$

素因数の和:26009

約数の個数: 24

約数和(自身を含む): 21824880

約数和(自身を除く): 11952100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25981, 51962, 103924, 129905, 259810, 493639, 519620, 987278, 1974556, 2468195, 4936390, 9872780]

約数ペア:

[(1, 9872780), (2, 4936390), (4, 2468195), (5, 1974556), (10, 987278), (19, 519620), (20, 493639), (38, 259810), (76, 129905), (95, 103924), (190, 51962), (380, 25981)]