66740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 145152

約数和(自身を除く): 78412

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 1420, 3337, 6674, 13348, 16685, 33370, 66740]

約数ペア:

[(1, 66740), (2, 33370), (4, 16685), (5, 13348), (10, 6674), (20, 3337), (47, 1420), (71, 940), (94, 710), (142, 470), (188, 355), (235, 284)]