86513660

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2909}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 181863360

約数和(自身を除く): 95349700

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2909, 2974, 5818, 5948, 7435, 11636, 14545, 14870, 29090, 29740, 58180, 4325683, 8651366, 17302732, 21628415, 43256830, 86513660]

約数ペア:

[(1, 86513660), (2, 43256830), (4, 21628415), (5, 17302732), (10, 8651366), (20, 4325683), (1487, 58180), (2909, 29740), (2974, 29090), (5818, 14870), (5948, 14545), (7435, 11636)]