2157320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4903}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 5296320

約数和(自身を除く): 3139000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4903, 9806, 19612, 24515, 39224, 49030, 53933, 98060, 107866, 196120, 215732, 269665, 431464, 539330, 1078660, 2157320]

約数ペア:

[(1, 2157320), (2, 1078660), (4, 539330), (5, 431464), (8, 269665), (10, 215732), (11, 196120), (20, 107866), (22, 98060), (40, 53933), (44, 49030), (55, 39224), (88, 24515), (110, 19612), (220, 9806), (440, 4903)]