105655640

素因数分解:

$2^3\times 5^1\times {\mathrm{2641391}}^1$

素因数の和:2641402

約数の個数: 16

約数和(自身を含む): 237725280

約数和(自身を除く): 132069640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2641391, 5282782, 10565564, 13206955, 21131128, 26413910, 52827820, 105655640]

約数ペア:

[(1, 105655640), (2, 52827820), (4, 26413910), (5, 21131128), (8, 13206955), (10, 10565564), (20, 5282782), (40, 2641391)]