9959120

素因数分解:

$2^4\times 5^1\times {\mathrm{124489}}^1$

素因数の和:124502

約数の個数: 20

約数和(自身を含む): 23155140

約数和(自身を除く): 13196020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124489, 248978, 497956, 622445, 995912, 1244890, 1991824, 2489780, 4979560, 9959120]

約数ペア:

[(1, 9959120), (2, 4979560), (4, 2489780), (5, 1991824), (8, 1244890), (10, 995912), (16, 622445), (20, 497956), (40, 248978), (80, 124489)]