68638540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48337}}^1$

素因数の和:48417

約数の個数: 24

約数和(自身を含む): 146174112

約数和(自身を除く): 77535572

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48337, 96674, 193348, 241685, 483370, 966740, 3431927, 6863854, 13727708, 17159635, 34319270, 68638540]

約数ペア:

[(1, 68638540), (2, 34319270), (4, 17159635), (5, 13727708), (10, 6863854), (20, 3431927), (71, 966740), (142, 483370), (284, 241685), (355, 193348), (710, 96674), (1420, 48337)]