66215825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 89577600

約数和(自身を除く): 23361775

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 2579, 5135, 12895, 25675, 33527, 64475, 167635, 203741, 838175, 1018705, 2648633, 5093525, 13243165, 66215825]

約数ペア:

[(1, 66215825), (5, 13243165), (13, 5093525), (25, 2648633), (65, 1018705), (79, 838175), (325, 203741), (395, 167635), (1027, 64475), (1975, 33527), (2579, 25675), (5135, 12895)]