85152020

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{4051}}^1$

素因数の和:5111

約数の個数: 24

約数和(自身を含む): 179033568

約数和(自身を除く): 93881548

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 4051, 4204, 5255, 8102, 10510, 16204, 20255, 21020, 40510, 81020, 4257601, 8515202, 17030404, 21288005, 42576010, 85152020]

約数ペア:

[(1, 85152020), (2, 42576010), (4, 21288005), (5, 17030404), (10, 8515202), (20, 4257601), (1051, 81020), (2102, 40510), (4051, 21020), (4204, 20255), (5255, 16204), (8102, 10510)]