82805680

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1093}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 192902832

約数和(自身を除く): 110097152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1093, 1894, 2186, 3788, 4372, 4735, 5465, 7576, 8744, 9470, 10930, 15152, 17488, 18940, 21860, 37880, 43720, 75760, 87440, 1035071, 2070142, 4140284, 5175355, 8280568, 10350710, 16561136, 20701420, 41402840, 82805680]

約数ペア:

[(1, 82805680), (2, 41402840), (4, 20701420), (5, 16561136), (8, 10350710), (10, 8280568), (16, 5175355), (20, 4140284), (40, 2070142), (80, 1035071), (947, 87440), (1093, 75760), (1894, 43720), (2186, 37880), (3788, 21860), (4372, 18940), (4735, 17488), (5465, 15152), (7576, 10930), (8744, 9470)]