80632400

素因数分解:

$2^4\times 5^2\times {\mathrm{201581}}^1$

素因数の和:201599

約数の個数: 30

約数和(自身を含む): 193720302

約数和(自身を除く): 113087902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201581, 403162, 806324, 1007905, 1612648, 2015810, 3225296, 4031620, 5039525, 8063240, 10079050, 16126480, 20158100, 40316200, 80632400]

約数ペア:

[(1, 80632400), (2, 40316200), (4, 20158100), (5, 16126480), (8, 10079050), (10, 8063240), (16, 5039525), (20, 4031620), (25, 3225296), (40, 2015810), (50, 1612648), (80, 1007905), (100, 806324), (200, 403162), (400, 201581)]