1305580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2251}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 2837520

約数和(自身を除く): 1531940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2251, 4502, 9004, 11255, 22510, 45020, 65279, 130558, 261116, 326395, 652790, 1305580]

約数ペア:

[(1, 1305580), (2, 652790), (4, 326395), (5, 261116), (10, 130558), (20, 65279), (29, 45020), (58, 22510), (116, 11255), (145, 9004), (290, 4502), (580, 2251)]