15915040

素因数分解:

$2^5\times 5^1\times {\mathrm{99469}}^1$

素因数の和:99484

約数の個数: 24

約数和(自身を含む): 37599660

約数和(自身を除く): 21684620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99469, 198938, 397876, 497345, 795752, 994690, 1591504, 1989380, 3183008, 3978760, 7957520, 15915040]

約数ペア:

[(1, 15915040), (2, 7957520), (4, 3978760), (5, 3183008), (8, 1989380), (10, 1591504), (16, 994690), (20, 795752), (32, 497345), (40, 397876), (80, 198938), (160, 99469)]