2630620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1277}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 5582304

約数和(自身を除く): 2951684

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1277, 2060, 2554, 5108, 6385, 12770, 25540, 131531, 263062, 526124, 657655, 1315310, 2630620]

約数ペア:

[(1, 2630620), (2, 1315310), (4, 657655), (5, 526124), (10, 263062), (20, 131531), (103, 25540), (206, 12770), (412, 6385), (515, 5108), (1030, 2554), (1277, 2060)]