2040479990

素因数分解:

$2^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{159787}}^1$

素因数の和:161071

約数の個数: 16

約数和(自身を含む): 3675763152

約数和(自身を除く): 1635283162

約数列:

[1, 2, 5, 10, 1277, 2554, 6385, 12770, 159787, 319574, 798935, 1597870, 204047999, 408095998, 1020239995, 2040479990]

約数ペア:

[(1, 2040479990), (2, 1020239995), (5, 408095998), (10, 204047999), (1277, 1597870), (2554, 798935), (6385, 319574), (12770, 159787)]