51122825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 76245120

約数和(自身を除く): 25122295

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 425, 475, 487, 1105, 1235, 1615, 2435, 4199, 5525, 6175, 6331, 8075, 8279, 9253, 12175, 20995, 31655, 41395, 46265, 104975, 107627, 120289, 157301, 158275, 206975, 231325, 538135, 601445, 786505, 2044913, 2690675, 3007225, 3932525, 10224565, 51122825]

約数ペア:

[(1, 51122825), (5, 10224565), (13, 3932525), (17, 3007225), (19, 2690675), (25, 2044913), (65, 786505), (85, 601445), (95, 538135), (221, 231325), (247, 206975), (323, 158275), (325, 157301), (425, 120289), (475, 107627), (487, 104975), (1105, 46265), (1235, 41395), (1615, 31655), (2435, 20995), (4199, 12175), (5525, 9253), (6175, 8279), (6331, 8075)]