55182140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212239}}^1$

素因数の和:212261

約数の個数: 24

約数和(自身を含む): 124797120

約数和(自身を除く): 69614980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212239, 424478, 848956, 1061195, 2122390, 2759107, 4244780, 5518214, 11036428, 13795535, 27591070, 55182140]

約数ペア:

[(1, 55182140), (2, 27591070), (4, 13795535), (5, 11036428), (10, 5518214), (13, 4244780), (20, 2759107), (26, 2122390), (52, 1061195), (65, 848956), (130, 424478), (260, 212239)]