168104080

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2591}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 391474944

約数和(自身を除く): 223370864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 2591, 3244, 4055, 5182, 6488, 8110, 10364, 12955, 12976, 16220, 20728, 25910, 32440, 41456, 51820, 64880, 103640, 207280, 2101301, 4202602, 8405204, 10506505, 16810408, 21013010, 33620816, 42026020, 84052040, 168104080]

約数ペア:

[(1, 168104080), (2, 84052040), (4, 42026020), (5, 33620816), (8, 21013010), (10, 16810408), (16, 10506505), (20, 8405204), (40, 4202602), (80, 2101301), (811, 207280), (1622, 103640), (2591, 64880), (3244, 51820), (4055, 41456), (5182, 32440), (6488, 25910), (8110, 20728), (10364, 16220), (12955, 12976)]