164570825

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 208915200

約数和(自身を除く): 44344375

約数列:

[1, 5, 25, 79, 103, 395, 515, 809, 1975, 2575, 4045, 8137, 20225, 40685, 63911, 83327, 203425, 319555, 416635, 1597775, 2083175, 6582833, 32914165, 164570825]

約数ペア:

[(1, 164570825), (5, 32914165), (25, 6582833), (79, 2083175), (103, 1597775), (395, 416635), (515, 319555), (809, 203425), (1975, 83327), (2575, 63911), (4045, 40685), (8137, 20225)]