137641040

素因数分解:

$2^4\times 5^1\times {\mathrm{1720513}}^1$

素因数の和:1720526

約数の個数: 20

約数和(自身を含む): 320015604

約数和(自身を除く): 182374564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1720513, 3441026, 6882052, 8602565, 13764104, 17205130, 27528208, 34410260, 68820520, 137641040]

約数ペア:

[(1, 137641040), (2, 68820520), (4, 34410260), (5, 27528208), (8, 17205130), (10, 13764104), (16, 8602565), (20, 6882052), (40, 3441026), (80, 1720513)]