201322580

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{5849}}^1$

素因数の和:7579

約数の個数: 24

約数和(自身を含む): 423095400

約数和(自身を除く): 221772820

約数列:

[1, 2, 4, 5, 10, 20, 1721, 3442, 5849, 6884, 8605, 11698, 17210, 23396, 29245, 34420, 58490, 116980, 10066129, 20132258, 40264516, 50330645, 100661290, 201322580]

約数ペア:

[(1, 201322580), (2, 100661290), (4, 50330645), (5, 40264516), (10, 20132258), (20, 10066129), (1721, 116980), (3442, 58490), (5849, 34420), (6884, 29245), (8605, 23396), (11698, 17210)]