207933760

素因数分解:

$2^6\times 5^1\times {\mathrm{649793}}^1$

素因数の和:649810

約数の個数: 28

約数和(自身を含む): 495143028

約数和(自身を除く): 287209268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 649793, 1299586, 2599172, 3248965, 5198344, 6497930, 10396688, 12995860, 20793376, 25991720, 41586752, 51983440, 103966880, 207933760]

約数ペア:

[(1, 207933760), (2, 103966880), (4, 51983440), (5, 41586752), (8, 25991720), (10, 20793376), (16, 12995860), (20, 10396688), (32, 6497930), (40, 5198344), (64, 3248965), (80, 2599172), (160, 1299586), (320, 649793)]