266784080

素因数分解:

$2^4\times 5^1\times {\mathrm{3334801}}^1$

素因数の和:3334814

約数の個数: 20

約数和(自身を含む): 620273172

約数和(自身を除く): 353489092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3334801, 6669602, 13339204, 16674005, 26678408, 33348010, 53356816, 66696020, 133392040, 266784080]

約数ペア:

[(1, 266784080), (2, 133392040), (4, 66696020), (5, 53356816), (8, 33348010), (10, 26678408), (16, 16674005), (20, 13339204), (40, 6669602), (80, 3334801)]