8511280

素因数分解:

$2^4\times 5^1\times {\mathrm{106391}}^1$

素因数の和:106404

約数の個数: 20

約数和(自身を含む): 19788912

約数和(自身を除く): 11277632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106391, 212782, 425564, 531955, 851128, 1063910, 1702256, 2127820, 4255640, 8511280]

約数ペア:

[(1, 8511280), (2, 4255640), (4, 2127820), (5, 1702256), (8, 1063910), (10, 851128), (16, 531955), (20, 425564), (40, 212782), (80, 106391)]