2016379720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{690541}}^1$

素因数の和:690625

約数の個数: 32

約数和(自身を含む): 4599009720

約数和(自身を除く): 2582630000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 690541, 1381082, 2762164, 3452705, 5524328, 6905410, 13810820, 27621640, 50409493, 100818986, 201637972, 252047465, 403275944, 504094930, 1008189860, 2016379720]

約数ペア:

[(1, 2016379720), (2, 1008189860), (4, 504094930), (5, 403275944), (8, 252047465), (10, 201637972), (20, 100818986), (40, 50409493), (73, 27621640), (146, 13810820), (292, 6905410), (365, 5524328), (584, 3452705), (730, 2762164), (1460, 1381082), (2920, 690541)]