197192720

素因数分解:

$2^4\times 5^1\times {\mathrm{2464909}}^1$

素因数の和:2464922

約数の個数: 20

約数和(自身を含む): 458473260

約数和(自身を除く): 261280540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2464909, 4929818, 9859636, 12324545, 19719272, 24649090, 39438544, 49298180, 98596360, 197192720]

約数ペア:

[(1, 197192720), (2, 98596360), (4, 49298180), (5, 39438544), (8, 24649090), (10, 19719272), (16, 12324545), (20, 9859636), (40, 4929818), (80, 2464909)]