66540340

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9533}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 140149800

約数和(自身を除く): 73609460

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 9533, 19066, 38132, 47665, 95330, 190660, 3327017, 6654034, 13308068, 16635085, 33270170, 66540340]

約数ペア:

[(1, 66540340), (2, 33270170), (4, 16635085), (5, 13308068), (10, 6654034), (20, 3327017), (349, 190660), (698, 95330), (1396, 47665), (1745, 38132), (3490, 19066), (6980, 9533)]