51015740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15649}}^1$

素因数の和:15821

約数の個数: 24

約数和(自身を含む): 107797200

約数和(自身を除く): 56781460

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 15649, 31298, 62596, 78245, 156490, 312980, 2550787, 5101574, 10203148, 12753935, 25507870, 51015740]

約数ペア:

[(1, 51015740), (2, 25507870), (4, 12753935), (5, 10203148), (10, 5101574), (20, 2550787), (163, 312980), (326, 156490), (652, 78245), (815, 62596), (1630, 31298), (3260, 15649)]