12490040

素因数分解:

$2^3\times 5^1\times {\mathrm{312251}}^1$

素因数の和:312262

約数の個数: 16

約数和(自身を含む): 28102680

約数和(自身を除く): 15612640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 312251, 624502, 1249004, 1561255, 2498008, 3122510, 6245020, 12490040]

約数ペア:

[(1, 12490040), (2, 6245020), (4, 3122510), (5, 2498008), (8, 1561255), (10, 1249004), (20, 624502), (40, 312251)]