16194280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6637}}^1$

素因数の和:6709

約数の個数: 32

約数和(自身を含む): 37040040

約数和(自身を除く): 20845760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6637, 13274, 26548, 33185, 53096, 66370, 132740, 265480, 404857, 809714, 1619428, 2024285, 3238856, 4048570, 8097140, 16194280]

約数ペア:

[(1, 16194280), (2, 8097140), (4, 4048570), (5, 3238856), (8, 2024285), (10, 1619428), (20, 809714), (40, 404857), (61, 265480), (122, 132740), (244, 66370), (305, 53096), (488, 33185), (610, 26548), (1220, 13274), (2440, 6637)]