16802140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5351}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 35515872

約数和(自身を除く): 18713732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5351, 10702, 21404, 26755, 53510, 107020, 840107, 1680214, 3360428, 4200535, 8401070, 16802140]

約数ペア:

[(1, 16802140), (2, 8401070), (4, 4200535), (5, 3360428), (10, 1680214), (20, 840107), (157, 107020), (314, 53510), (628, 26755), (785, 21404), (1570, 10702), (3140, 5351)]