28136660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34313}}^1$

素因数の和:34363

約数の個数: 24

約数和(自身を含む): 60529896

約数和(自身を除く): 32393236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34313, 68626, 137252, 171565, 343130, 686260, 1406833, 2813666, 5627332, 7034165, 14068330, 28136660]

約数ペア:

[(1, 28136660), (2, 14068330), (4, 7034165), (5, 5627332), (10, 2813666), (20, 1406833), (41, 686260), (82, 343130), (164, 171565), (205, 137252), (410, 68626), (820, 34313)]