80966740

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4919}}^1$

素因数の和:5751

約数の個数: 24

約数和(自身を含む): 170271360

約数和(自身を除く): 89304620

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 4919, 8230, 9838, 16460, 19676, 24595, 49190, 98380, 4048337, 8096674, 16193348, 20241685, 40483370, 80966740]

約数ペア:

[(1, 80966740), (2, 40483370), (4, 20241685), (5, 16193348), (10, 8096674), (20, 4048337), (823, 98380), (1646, 49190), (3292, 24595), (4115, 19676), (4919, 16460), (8230, 9838)]