201801640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17827}}^1$

素因数の和:18121

約数の個数: 32

約数和(自身を含む): 455683680

約数和(自身を除く): 253882040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17827, 35654, 71308, 89135, 142616, 178270, 356540, 713080, 5045041, 10090082, 20180164, 25225205, 40360328, 50450410, 100900820, 201801640]

約数ペア:

[(1, 201801640), (2, 100900820), (4, 50450410), (5, 40360328), (8, 25225205), (10, 20180164), (20, 10090082), (40, 5045041), (283, 713080), (566, 356540), (1132, 178270), (1415, 142616), (2264, 89135), (2830, 71308), (5660, 35654), (11320, 17827)]