2021865025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{19427}}^1$

素因数の和:19641

約数の個数: 24

約数和(自身を含む): 2630706624

約数和(自身を除く): 608841599

約数列:

[1, 5, 23, 25, 115, 181, 575, 905, 4163, 4525, 19427, 20815, 97135, 104075, 446821, 485675, 2234105, 3516287, 11170525, 17581435, 80874601, 87907175, 404373005, 2021865025]

約数ペア:

[(1, 2021865025), (5, 404373005), (23, 87907175), (25, 80874601), (115, 17581435), (181, 11170525), (575, 3516287), (905, 2234105), (4163, 485675), (4525, 446821), (19427, 104075), (20815, 97135)]