40492580

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1621}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 85155000

約数和(自身を除く): 44662420

約数列:

[1, 2, 4, 5, 10, 20, 1249, 1621, 2498, 3242, 4996, 6245, 6484, 8105, 12490, 16210, 24980, 32420, 2024629, 4049258, 8098516, 10123145, 20246290, 40492580]

約数ペア:

[(1, 40492580), (2, 20246290), (4, 10123145), (5, 8098516), (10, 4049258), (20, 2024629), (1249, 32420), (1621, 24980), (2498, 16210), (3242, 12490), (4996, 8105), (6245, 6484)]