8268620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1031}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 17424288

約数和(自身を除く): 9155668

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1031, 1604, 2005, 2062, 4010, 4124, 5155, 8020, 10310, 20620, 413431, 826862, 1653724, 2067155, 4134310, 8268620]

約数ペア:

[(1, 8268620), (2, 4134310), (4, 2067155), (5, 1653724), (10, 826862), (20, 413431), (401, 20620), (802, 10310), (1031, 8020), (1604, 5155), (2005, 4124), (2062, 4010)]