9155420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 19320000

約数和(自身を除く): 10164580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 1999, 2290, 3998, 4580, 7996, 9995, 19990, 39980, 457771, 915542, 1831084, 2288855, 4577710, 9155420]

約数ペア:

[(1, 9155420), (2, 4577710), (4, 2288855), (5, 1831084), (10, 915542), (20, 457771), (229, 39980), (458, 19990), (916, 9995), (1145, 7996), (1999, 4580), (2290, 3998)]