55720475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3049}}^1$

素因数の和:3119

約数の個数: 24

約数和(自身を含む): 74883600

約数和(自身を除く): 19163125

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3049, 3655, 15245, 18275, 51833, 76225, 131107, 259165, 655535, 1295825, 2228819, 3277675, 11144095, 55720475]

約数ペア:

[(1, 55720475), (5, 11144095), (17, 3277675), (25, 2228819), (43, 1295825), (85, 655535), (215, 259165), (425, 131107), (731, 76225), (1075, 51833), (3049, 18275), (3655, 15245)]