53142760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120779}}^1$

素因数の和:120801

約数の個数: 32

約数和(自身を含む): 130442400

約数和(自身を除く): 77299640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 120779, 241558, 483116, 603895, 966232, 1207790, 1328569, 2415580, 2657138, 4831160, 5314276, 6642845, 10628552, 13285690, 26571380, 53142760]

約数ペア:

[(1, 53142760), (2, 26571380), (4, 13285690), (5, 10628552), (8, 6642845), (10, 5314276), (11, 4831160), (20, 2657138), (22, 2415580), (40, 1328569), (44, 1207790), (55, 966232), (88, 603895), (110, 483116), (220, 241558), (440, 120779)]