51072400

素因数分解:

$2^4\times 5^2\times {\mathrm{127681}}^1$

素因数の和:127699

約数の個数: 30

約数和(自身を含む): 122702402

約数和(自身を除く): 71630002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127681, 255362, 510724, 638405, 1021448, 1276810, 2042896, 2553620, 3192025, 5107240, 6384050, 10214480, 12768100, 25536200, 51072400]

約数ペア:

[(1, 51072400), (2, 25536200), (4, 12768100), (5, 10214480), (8, 6384050), (10, 5107240), (16, 3192025), (20, 2553620), (25, 2042896), (40, 1276810), (50, 1021448), (80, 638405), (100, 510724), (200, 255362), (400, 127681)]