28986800

素因数分解:

$2^4\times 5^2\times {\mathrm{72467}}^1$

素因数の和:72485

約数の個数: 30

約数和(自身を含む): 69641748

約数和(自身を除く): 40654948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72467, 144934, 289868, 362335, 579736, 724670, 1159472, 1449340, 1811675, 2898680, 3623350, 5797360, 7246700, 14493400, 28986800]

約数ペア:

[(1, 28986800), (2, 14493400), (4, 7246700), (5, 5797360), (8, 3623350), (10, 2898680), (16, 1811675), (20, 1449340), (25, 1159472), (40, 724670), (50, 579736), (80, 362335), (100, 289868), (200, 144934), (400, 72467)]