2055880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 4680000

約数和(自身を除く): 2624120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 499, 515, 824, 998, 1030, 1996, 2060, 2495, 3992, 4120, 4990, 9980, 19960, 51397, 102794, 205588, 256985, 411176, 513970, 1027940, 2055880]

約数ペア:

[(1, 2055880), (2, 1027940), (4, 513970), (5, 411176), (8, 256985), (10, 205588), (20, 102794), (40, 51397), (103, 19960), (206, 9980), (412, 4990), (499, 4120), (515, 3992), (824, 2495), (998, 2060), (1030, 1996)]