28060120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63773}}^1$

素因数の和:63795

約数の個数: 32

約数和(自身を含む): 68875920

約数和(自身を除く): 40815800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63773, 127546, 255092, 318865, 510184, 637730, 701503, 1275460, 1403006, 2550920, 2806012, 3507515, 5612024, 7015030, 14030060, 28060120]

約数ペア:

[(1, 28060120), (2, 14030060), (4, 7015030), (5, 5612024), (8, 3507515), (10, 2806012), (11, 2550920), (20, 1403006), (22, 1275460), (40, 701503), (44, 637730), (55, 510184), (88, 318865), (110, 255092), (220, 127546), (440, 63773)]