79672400

素因数分解:

$2^4\times 5^2\times {\mathrm{199181}}^1$

素因数の和:199199

約数の個数: 30

約数和(自身を含む): 191413902

約数和(自身を除く): 111741502

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199181, 398362, 796724, 995905, 1593448, 1991810, 3186896, 3983620, 4979525, 7967240, 9959050, 15934480, 19918100, 39836200, 79672400]

約数ペア:

[(1, 79672400), (2, 39836200), (4, 19918100), (5, 15934480), (8, 9959050), (10, 7967240), (16, 4979525), (20, 3983620), (25, 3186896), (40, 1991810), (50, 1593448), (80, 995905), (100, 796724), (200, 398362), (400, 199181)]