79920820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10771}}^1$

素因数の和:10840

約数の個数: 48

約数和(自身を含む): 195447168

約数和(自身を除く): 115526348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 10771, 21542, 43084, 53855, 75397, 107710, 150794, 215420, 301588, 376985, 570863, 753970, 1141726, 1507940, 2283452, 2854315, 3996041, 5708630, 7992082, 11417260, 15984164, 19980205, 39960410, 79920820]

約数ペア:

[(1, 79920820), (2, 39960410), (4, 19980205), (5, 15984164), (7, 11417260), (10, 7992082), (14, 5708630), (20, 3996041), (28, 2854315), (35, 2283452), (53, 1507940), (70, 1141726), (106, 753970), (140, 570863), (212, 376985), (265, 301588), (371, 215420), (530, 150794), (742, 107710), (1060, 75397), (1484, 53855), (1855, 43084), (3710, 21542), (7420, 10771)]