54727720

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1553}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 123356520

約数和(自身を除く): 68628800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1553, 1762, 3106, 3524, 4405, 6212, 7048, 7765, 8810, 12424, 15530, 17620, 31060, 35240, 62120, 1368193, 2736386, 5472772, 6840965, 10945544, 13681930, 27363860, 54727720]

約数ペア:

[(1, 54727720), (2, 27363860), (4, 13681930), (5, 10945544), (8, 6840965), (10, 5472772), (20, 2736386), (40, 1368193), (881, 62120), (1553, 35240), (1762, 31060), (3106, 17620), (3524, 15530), (4405, 12424), (6212, 8810), (7048, 7765)]