66469580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107209}}^1$

素因数の和:107249

約数の個数: 24

約数和(自身を含む): 144090240

約数和(自身を除く): 77620660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 107209, 214418, 428836, 536045, 1072090, 2144180, 3323479, 6646958, 13293916, 16617395, 33234790, 66469580]

約数ペア:

[(1, 66469580), (2, 33234790), (4, 16617395), (5, 13293916), (10, 6646958), (20, 3323479), (31, 2144180), (62, 1072090), (124, 536045), (155, 428836), (310, 214418), (620, 107209)]