81845260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584609}}^1$

素因数の和:584625

約数の個数: 24

約数和(自身を含む): 196428960

約数和(自身を除く): 114583700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584609, 1169218, 2338436, 2923045, 4092263, 5846090, 8184526, 11692180, 16369052, 20461315, 40922630, 81845260]

約数ペア:

[(1, 81845260), (2, 40922630), (4, 20461315), (5, 16369052), (7, 11692180), (10, 8184526), (14, 5846090), (20, 4092263), (28, 2923045), (35, 2338436), (70, 1169218), (140, 584609)]