2000260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 4245696

約数和(自身を除く): 2245436

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 971, 1030, 1942, 2060, 3884, 4855, 9710, 19420, 100013, 200026, 400052, 500065, 1000130, 2000260]

約数ペア:

[(1, 2000260), (2, 1000130), (4, 500065), (5, 400052), (10, 200026), (20, 100013), (103, 19420), (206, 9710), (412, 4855), (515, 3884), (971, 2060), (1030, 1942)]