2000405975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{135851}}^1$

素因数の和:135911

約数の個数: 24

約数和(自身を含む): 2695303680

約数和(自身を除く): 694897705

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725, 135851, 679255, 2581169, 3396275, 4211381, 12905845, 21056905, 64529225, 80016239, 105284525, 400081195, 2000405975]

約数ペア:

[(1, 2000405975), (5, 400081195), (19, 105284525), (25, 80016239), (31, 64529225), (95, 21056905), (155, 12905845), (475, 4211381), (589, 3396275), (775, 2581169), (2945, 679255), (14725, 135851)]