55993340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215359}}^1$

素因数の和:215381

約数の個数: 24

約数和(自身を含む): 126631680

約数和(自身を除く): 70638340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 215359, 430718, 861436, 1076795, 2153590, 2799667, 4307180, 5599334, 11198668, 13998335, 27996670, 55993340]

約数ペア:

[(1, 55993340), (2, 27996670), (4, 13998335), (5, 11198668), (10, 5599334), (13, 4307180), (20, 2799667), (26, 2153590), (52, 1076795), (65, 861436), (130, 430718), (260, 215359)]