64427810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157141}}^1$

素因数の和:157189

約数の個数: 16

約数和(自身を含む): 118799352

約数和(自身を除く): 54371542

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 157141, 314282, 785705, 1571410, 6442781, 12885562, 32213905, 64427810]

約数ペア:

[(1, 64427810), (2, 32213905), (5, 12885562), (10, 6442781), (41, 1571410), (82, 785705), (205, 314282), (410, 157141)]