404960

素因数分解:

$2^5\times 5^1\times {\mathrm{2531}}^1$

素因数の和:2546

約数の個数: 24

約数和(自身を含む): 957096

約数和(自身を除く): 552136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2531, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 80992, 101240, 202480, 404960]

約数ペア:

[(1, 404960), (2, 202480), (4, 101240), (5, 80992), (8, 50620), (10, 40496), (16, 25310), (20, 20248), (32, 12655), (40, 10124), (80, 5062), (160, 2531)]