80252180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129439}}^1$

素因数の和:129479

約数の個数: 24

約数和(自身を含む): 173967360

約数和(自身を除く): 93715180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 129439, 258878, 517756, 647195, 1294390, 2588780, 4012609, 8025218, 16050436, 20063045, 40126090, 80252180]

約数ペア:

[(1, 80252180), (2, 40126090), (4, 20063045), (5, 16050436), (10, 8025218), (20, 4012609), (31, 2588780), (62, 1294390), (124, 647195), (155, 517756), (310, 258878), (620, 129439)]