9929840

素因数分解:

$2^4\times 5^1\times {\mathrm{124123}}^1$

素因数の和:124136

約数の個数: 20

約数和(自身を含む): 23087064

約数和(自身を除く): 13157224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124123, 248246, 496492, 620615, 992984, 1241230, 1985968, 2482460, 4964920, 9929840]

約数ペア:

[(1, 9929840), (2, 4964920), (4, 2482460), (5, 1985968), (8, 1241230), (10, 992984), (16, 620615), (20, 496492), (40, 248246), (80, 124123)]