4255640

素因数分解:

$2^3\times 5^1\times {\mathrm{106391}}^1$

素因数の和:106402

約数の個数: 16

約数和(自身を含む): 9575280

約数和(自身を除く): 5319640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106391, 212782, 425564, 531955, 851128, 1063910, 2127820, 4255640]

約数ペア:

[(1, 4255640), (2, 2127820), (4, 1063910), (5, 851128), (8, 531955), (10, 425564), (20, 212782), (40, 106391)]