40255580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28349}}^1$

素因数の和:28429

約数の個数: 24

約数和(自身を含む): 85730400

約数和(自身を除く): 45474820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28349, 56698, 113396, 141745, 283490, 566980, 2012779, 4025558, 8051116, 10063895, 20127790, 40255580]

約数ペア:

[(1, 40255580), (2, 20127790), (4, 10063895), (5, 8051116), (10, 4025558), (20, 2012779), (71, 566980), (142, 283490), (284, 141745), (355, 113396), (710, 56698), (1420, 28349)]