22780225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2417}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 31482360

約数和(自身を除く): 8702135

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2417, 9425, 12085, 31421, 60425, 70093, 157105, 350465, 785525, 911209, 1752325, 4556045, 22780225]

約数ペア:

[(1, 22780225), (5, 4556045), (13, 1752325), (25, 911209), (29, 785525), (65, 350465), (145, 157105), (325, 70093), (377, 60425), (725, 31421), (1885, 12085), (2417, 9425)]