2015990980

素因数分解:

$2^2\times 5^1\times {\mathrm{100799549}}^1$

素因数の和:100799558

約数の個数: 12

約数和(自身を含む): 4233581100

約数和(自身を除く): 2217590120

約数列:

[1, 2, 4, 5, 10, 20, 100799549, 201599098, 403198196, 503997745, 1007995490, 2015990980]

約数ペア:

[(1, 2015990980), (2, 1007995490), (4, 503997745), (5, 403198196), (10, 201599098), (20, 100799549)]