388600880

素因数分解:

$2^4\times 5^1\times {\mathrm{4857511}}^1$

素因数の和:4857524

約数の個数: 20

約数和(自身を含む): 903497232

約数和(自身を除く): 514896352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4857511, 9715022, 19430044, 24287555, 38860088, 48575110, 77720176, 97150220, 194300440, 388600880]

約数ペア:

[(1, 388600880), (2, 194300440), (4, 97150220), (5, 77720176), (8, 48575110), (10, 38860088), (16, 24287555), (20, 19430044), (40, 9715022), (80, 4857511)]