3988760

素因数分解:

$2^3\times 5^1\times {\mathrm{99719}}^1$

素因数の和:99730

約数の個数: 16

約数和(自身を含む): 8974800

約数和(自身を除く): 4986040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99719, 199438, 398876, 498595, 797752, 997190, 1994380, 3988760]

約数ペア:

[(1, 3988760), (2, 1994380), (4, 997190), (5, 797752), (8, 498595), (10, 398876), (20, 199438), (40, 99719)]