401075240

素因数分解:

$2^3\times 5^1\times {\mathrm{10026881}}^1$

素因数の和:10026892

約数の個数: 16

約数和(自身を含む): 902419380

約数和(自身を除く): 501344140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10026881, 20053762, 40107524, 50134405, 80215048, 100268810, 200537620, 401075240]

約数ペア:

[(1, 401075240), (2, 200537620), (4, 100268810), (5, 80215048), (8, 50134405), (10, 40107524), (20, 20053762), (40, 10026881)]