16941640

素因数分解:

$2^3\times 5^1\times {\mathrm{423541}}^1$

素因数の和:423552

約数の個数: 16

約数和(自身を含む): 38118780

約数和(自身を除く): 21177140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 423541, 847082, 1694164, 2117705, 3388328, 4235410, 8470820, 16941640]

約数ペア:

[(1, 16941640), (2, 8470820), (4, 4235410), (5, 3388328), (8, 2117705), (10, 1694164), (20, 847082), (40, 423541)]