204580975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20929}}^1$

素因数の和:20979

約数の個数: 24

約数和(自身を含む): 280294560

約数和(自身を除く): 75713585

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 20929, 104645, 355793, 481367, 523225, 1778965, 2406835, 8183239, 8894825, 12034175, 40916195, 204580975]

約数ペア:

[(1, 204580975), (5, 40916195), (17, 12034175), (23, 8894825), (25, 8183239), (85, 2406835), (115, 1778965), (391, 523225), (425, 481367), (575, 355793), (1955, 104645), (9775, 20929)]