55135520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31327}}^1$

素因数の和:31353

約数の個数: 48

約数和(自身を含む): 142103808

約数和(自身を除く): 86968288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 31327, 62654, 125308, 156635, 250616, 313270, 344597, 501232, 626540, 689194, 1002464, 1253080, 1378388, 1722985, 2506160, 2756776, 3445970, 5012320, 5513552, 6891940, 11027104, 13783880, 27567760, 55135520]

約数ペア:

[(1, 55135520), (2, 27567760), (4, 13783880), (5, 11027104), (8, 6891940), (10, 5513552), (11, 5012320), (16, 3445970), (20, 2756776), (22, 2506160), (32, 1722985), (40, 1378388), (44, 1253080), (55, 1002464), (80, 689194), (88, 626540), (110, 501232), (160, 344597), (176, 313270), (220, 250616), (352, 156635), (440, 125308), (880, 62654), (1760, 31327)]