9947120

素因数分解:

$2^4\times 5^1\times {\mathrm{124339}}^1$

素因数の和:124352

約数の個数: 20

約数和(自身を含む): 23127240

約数和(自身を除く): 13180120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124339, 248678, 497356, 621695, 994712, 1243390, 1989424, 2486780, 4973560, 9947120]

約数ペア:

[(1, 9947120), (2, 4973560), (4, 2486780), (5, 1989424), (8, 1243390), (10, 994712), (16, 621695), (20, 497356), (40, 248678), (80, 124339)]