8065720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15511}}^1$

素因数の和:15535

約数の個数: 32

約数和(自身を含む): 19545120

約数和(自身を除く): 11479400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15511, 31022, 62044, 77555, 124088, 155110, 201643, 310220, 403286, 620440, 806572, 1008215, 1613144, 2016430, 4032860, 8065720]

約数ペア:

[(1, 8065720), (2, 4032860), (4, 2016430), (5, 1613144), (8, 1008215), (10, 806572), (13, 620440), (20, 403286), (26, 310220), (40, 201643), (52, 155110), (65, 124088), (104, 77555), (130, 62044), (260, 31022), (520, 15511)]