2578090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2503}}^1$

素因数の和:2613

約数の個数: 16

約数和(自身を含む): 4687488

約数和(自身を除く): 2109398

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 2503, 5006, 12515, 25030, 257809, 515618, 1289045, 2578090]

約数ペア:

[(1, 2578090), (2, 1289045), (5, 515618), (10, 257809), (103, 25030), (206, 12515), (515, 5006), (1030, 2503)]