55339180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212843}}^1$

素因数の和:212865

約数の個数: 24

約数和(自身を含む): 125152272

約数和(自身を除く): 69813092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212843, 425686, 851372, 1064215, 2128430, 2766959, 4256860, 5533918, 11067836, 13834795, 27669590, 55339180]

約数ペア:

[(1, 55339180), (2, 27669590), (4, 13834795), (5, 11067836), (10, 5533918), (13, 4256860), (20, 2766959), (26, 2128430), (52, 1064215), (65, 851372), (130, 425686), (260, 212843)]