55852760

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1409}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 125884800

約数和(自身を除く): 70032040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1409, 1982, 2818, 3964, 4955, 5636, 7045, 7928, 9910, 11272, 14090, 19820, 28180, 39640, 56360, 1396319, 2792638, 5585276, 6981595, 11170552, 13963190, 27926380, 55852760]

約数ペア:

[(1, 55852760), (2, 27926380), (4, 13963190), (5, 11170552), (8, 6981595), (10, 5585276), (20, 2792638), (40, 1396319), (991, 56360), (1409, 39640), (1982, 28180), (2818, 19820), (3964, 14090), (4955, 11272), (5636, 9910), (7045, 7928)]