1027940

素因数分解:

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

素因数の和:611

約数の個数: 24

約数和(自身を含む): 2184000

約数和(自身を除く): 1156060

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 499, 515, 998, 1030, 1996, 2060, 2495, 4990, 9980, 51397, 102794, 205588, 256985, 513970, 1027940]

約数ペア:

[(1, 1027940), (2, 513970), (4, 256985), (5, 205588), (10, 102794), (20, 51397), (103, 9980), (206, 4990), (412, 2495), (499, 2060), (515, 1996), (998, 1030)]