2019690040

素因数分解:

$2^3\times 5^1\times {\mathrm{50492251}}^1$

素因数の和:50492262

約数の個数: 16

約数和(自身を含む): 4544302680

約数和(自身を除く): 2524612640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50492251, 100984502, 201969004, 252461255, 403938008, 504922510, 1009845020, 2019690040]

約数ペア:

[(1, 2019690040), (2, 1009845020), (4, 504922510), (5, 403938008), (8, 252461255), (10, 201969004), (20, 100984502), (40, 50492251)]