80315620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52153}}^1$

素因数の和:52180

約数の個数: 48

約数和(自身を含む): 210284928

約数和(自身を除く): 129969308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 52153, 104306, 208612, 260765, 365071, 521530, 573683, 730142, 1043060, 1147366, 1460284, 1825355, 2294732, 2868415, 3650710, 4015781, 5736830, 7301420, 8031562, 11473660, 16063124, 20078905, 40157810, 80315620]

約数ペア:

[(1, 80315620), (2, 40157810), (4, 20078905), (5, 16063124), (7, 11473660), (10, 8031562), (11, 7301420), (14, 5736830), (20, 4015781), (22, 3650710), (28, 2868415), (35, 2294732), (44, 1825355), (55, 1460284), (70, 1147366), (77, 1043060), (110, 730142), (140, 573683), (154, 521530), (220, 365071), (308, 260765), (385, 208612), (770, 104306), (1540, 52153)]