51639575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5479}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 71349600

約数和(自身を除く): 19710025

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 5479, 9425, 27395, 71227, 136975, 158891, 356135, 794455, 1780675, 2065583, 3972275, 10327915, 51639575]

約数ペア:

[(1, 51639575), (5, 10327915), (13, 3972275), (25, 2065583), (29, 1780675), (65, 794455), (145, 356135), (325, 158891), (377, 136975), (725, 71227), (1885, 27395), (5479, 9425)]