9808880

素因数分解:

$2^4\times 5^1\times {\mathrm{122611}}^1$

素因数の和:122624

約数の個数: 20

約数和(自身を含む): 22805832

約数和(自身を除く): 12996952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122611, 245222, 490444, 613055, 980888, 1226110, 1961776, 2452220, 4904440, 9808880]

約数ペア:

[(1, 9808880), (2, 4904440), (4, 2452220), (5, 1961776), (8, 1226110), (10, 980888), (16, 613055), (20, 490444), (40, 245222), (80, 122611)]