56717320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128903}}^1$

素因数の和:128925

約数の個数: 32

約数和(自身を含む): 139216320

約数和(自身を除く): 82499000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128903, 257806, 515612, 644515, 1031224, 1289030, 1417933, 2578060, 2835866, 5156120, 5671732, 7089665, 11343464, 14179330, 28358660, 56717320]

約数ペア:

[(1, 56717320), (2, 28358660), (4, 14179330), (5, 11343464), (8, 7089665), (10, 5671732), (11, 5156120), (20, 2835866), (22, 2578060), (40, 1417933), (44, 1289030), (55, 1031224), (88, 644515), (110, 515612), (220, 257806), (440, 128903)]