55170280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125387}}^1$

素因数の和:125409

約数の個数: 32

約数和(自身を含む): 135419040

約数和(自身を除く): 80248760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 125387, 250774, 501548, 626935, 1003096, 1253870, 1379257, 2507740, 2758514, 5015480, 5517028, 6896285, 11034056, 13792570, 27585140, 55170280]

約数ペア:

[(1, 55170280), (2, 27585140), (4, 13792570), (5, 11034056), (8, 6896285), (10, 5517028), (11, 5015480), (20, 2758514), (22, 2507740), (40, 1379257), (44, 1253870), (55, 1003096), (88, 626935), (110, 501548), (220, 250774), (440, 125387)]