51989900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{6581}}^1$

素因数の和:6674

約数の個数: 36

約数和(自身を含む): 114263520

約数和(自身を除く): 62273620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 6581, 7900, 13162, 26324, 32905, 65810, 131620, 164525, 329050, 519899, 658100, 1039798, 2079596, 2599495, 5198990, 10397980, 12997475, 25994950, 51989900]

約数ペア:

[(1, 51989900), (2, 25994950), (4, 12997475), (5, 10397980), (10, 5198990), (20, 2599495), (25, 2079596), (50, 1039798), (79, 658100), (100, 519899), (158, 329050), (316, 164525), (395, 131620), (790, 65810), (1580, 32905), (1975, 26324), (3950, 13162), (6581, 7900)]