55544900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:261

約数の個数: 54

約数和(自身を含む): 123449130

約数和(自身を除く): 67904230

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 89, 100, 158, 178, 316, 356, 395, 445, 790, 890, 1580, 1780, 1975, 2225, 3950, 4450, 6241, 7031, 7900, 8900, 12482, 14062, 24964, 28124, 31205, 35155, 62410, 70310, 124820, 140620, 156025, 175775, 312050, 351550, 555449, 624100, 703100, 1110898, 2221796, 2777245, 5554490, 11108980, 13886225, 27772450, 55544900]

約数ペア:

[(1, 55544900), (2, 27772450), (4, 13886225), (5, 11108980), (10, 5554490), (20, 2777245), (25, 2221796), (50, 1110898), (79, 703100), (89, 624100), (100, 555449), (158, 351550), (178, 312050), (316, 175775), (356, 156025), (395, 140620), (445, 124820), (790, 70310), (890, 62410), (1580, 35155), (1780, 31205), (1975, 28124), (2225, 24964), (3950, 14062), (4450, 12482), (6241, 8900), (7031, 7900)]