40840480

素因数分解:

$2^5\times 5^1\times {\mathrm{255253}}^1$

素因数の和:255268

約数の個数: 24

約数和(自身を含む): 96486012

約数和(自身を除く): 55645532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255253, 510506, 1021012, 1276265, 2042024, 2552530, 4084048, 5105060, 8168096, 10210120, 20420240, 40840480]

約数ペア:

[(1, 40840480), (2, 20420240), (4, 10210120), (5, 8168096), (8, 5105060), (10, 4084048), (16, 2552530), (20, 2042024), (32, 1276265), (40, 1021012), (80, 510506), (160, 255253)]