401030480

素因数分解:

$2^4\times 5^1\times {\mathrm{5012881}}^1$

素因数の和:5012894

約数の個数: 20

約数和(自身を含む): 932396052

約数和(自身を除く): 531365572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5012881, 10025762, 20051524, 25064405, 40103048, 50128810, 80206096, 100257620, 200515240, 401030480]

約数ペア:

[(1, 401030480), (2, 200515240), (4, 100257620), (5, 80206096), (8, 50128810), (10, 40103048), (16, 25064405), (20, 20051524), (40, 10025762), (80, 5012881)]