40376099240

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1983109}}^1$

素因数の和:1983629

約数の個数: 32

約数和(自身を含む): 91024749000

約数和(自身を除く): 50648649760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 1983109, 3966218, 7932436, 9915545, 15864872, 19831090, 39662180, 79324360, 1009402481, 2018804962, 4037609924, 5047012405, 8075219848, 10094024810, 20188049620, 40376099240]

約数ペア:

[(1, 40376099240), (2, 20188049620), (4, 10094024810), (5, 8075219848), (8, 5047012405), (10, 4037609924), (20, 2018804962), (40, 1009402481), (509, 79324360), (1018, 39662180), (2036, 19831090), (2545, 15864872), (4072, 9915545), (5090, 7932436), (10180, 3966218), (20360, 1983109)]