60646780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{42709}}^1$

素因数の和:42789

約数の個数: 24

約数和(自身を含む): 129155040

約数和(自身を除く): 68508260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 42709, 85418, 170836, 213545, 427090, 854180, 3032339, 6064678, 12129356, 15161695, 30323390, 60646780]

約数ペア:

[(1, 60646780), (2, 30323390), (4, 15161695), (5, 12129356), (10, 6064678), (20, 3032339), (71, 854180), (142, 427090), (284, 213545), (355, 170836), (710, 85418), (1420, 42709)]