23720140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28927}}^1$

素因数の和:28977

約数の個数: 24

約数和(自身を含む): 51028992

約数和(自身を除く): 27308852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 28927, 57854, 115708, 144635, 289270, 578540, 1186007, 2372014, 4744028, 5930035, 11860070, 23720140]

約数ペア:

[(1, 23720140), (2, 11860070), (4, 5930035), (5, 4744028), (10, 2372014), (20, 1186007), (41, 578540), (82, 289270), (164, 144635), (205, 115708), (410, 57854), (820, 28927)]