401620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 864864

約数和(自身を除く): 463244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 467, 860, 934, 1868, 2335, 4670, 9340, 20081, 40162, 80324, 100405, 200810, 401620]

約数ペア:

[(1, 401620), (2, 200810), (4, 100405), (5, 80324), (10, 40162), (20, 20081), (43, 9340), (86, 4670), (172, 2335), (215, 1868), (430, 934), (467, 860)]