40260140

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1783}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 84668640

約数和(自身を除く): 44408500

約数列:

[1, 2, 4, 5, 10, 20, 1129, 1783, 2258, 3566, 4516, 5645, 7132, 8915, 11290, 17830, 22580, 35660, 2013007, 4026014, 8052028, 10065035, 20130070, 40260140]

約数ペア:

[(1, 40260140), (2, 20130070), (4, 10065035), (5, 8052028), (10, 4026014), (20, 2013007), (1129, 35660), (1783, 22580), (2258, 17830), (3566, 11290), (4516, 8915), (5645, 7132)]