120160220

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{3491}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 252555408

約数和(自身を除く): 132395188

約数列:

[1, 2, 4, 5, 10, 20, 1721, 3442, 3491, 6884, 6982, 8605, 13964, 17210, 17455, 34420, 34910, 69820, 6008011, 12016022, 24032044, 30040055, 60080110, 120160220]

約数ペア:

[(1, 120160220), (2, 60080110), (4, 30040055), (5, 24032044), (10, 12016022), (20, 6008011), (1721, 69820), (3442, 34910), (3491, 34420), (6884, 17455), (6982, 17210), (8605, 13964)]