55354780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212903}}^1$

素因数の和:212925

約数の個数: 24

約数和(自身を含む): 125187552

約数和(自身を除く): 69832772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212903, 425806, 851612, 1064515, 2129030, 2767739, 4258060, 5535478, 11070956, 13838695, 27677390, 55354780]

約数ペア:

[(1, 55354780), (2, 27677390), (4, 13838695), (5, 11070956), (10, 5535478), (13, 4258060), (20, 2767739), (26, 2129030), (52, 1064515), (65, 851612), (130, 425806), (260, 212903)]