49894540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 108972864

約数和(自身を除く): 59078324

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 857, 1420, 1714, 2911, 3428, 4285, 5822, 8570, 11644, 14555, 17140, 29110, 35137, 58220, 60847, 70274, 121694, 140548, 175685, 243388, 304235, 351370, 608470, 702740, 1216940, 2494727, 4989454, 9978908, 12473635, 24947270, 49894540]

約数ペア:

[(1, 49894540), (2, 24947270), (4, 12473635), (5, 9978908), (10, 4989454), (20, 2494727), (41, 1216940), (71, 702740), (82, 608470), (142, 351370), (164, 304235), (205, 243388), (284, 175685), (355, 140548), (410, 121694), (710, 70274), (820, 60847), (857, 58220), (1420, 35137), (1714, 29110), (2911, 17140), (3428, 14555), (4285, 11644), (5822, 8570)]