2008279990

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{641623}}^1$

素因数の和:641943

約数の個数: 16

約数和(自身を含む): 3626458848

約数和(自身を除く): 1618178858

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 641623, 1283246, 3208115, 6416230, 200827999, 401655998, 1004139995, 2008279990]

約数ペア:

[(1, 2008279990), (2, 1004139995), (5, 401655998), (10, 200827999), (313, 6416230), (626, 3208115), (1565, 1283246), (3130, 641623)]