320559840208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{488658293}}^1$

素因数の和:488658342

約数の個数: 20

約数和(自身を含む): 636233098788

約数和(自身を除く): 315673258580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 488658293, 977316586, 1954633172, 3909266344, 7818532688, 20034990013, 40069980026, 80139960052, 160279920104, 320559840208]

約数ペア:

[(1, 320559840208), (2, 160279920104), (4, 80139960052), (8, 40069980026), (16, 20034990013), (41, 7818532688), (82, 3909266344), (164, 1954633172), (328, 977316586), (656, 488658293)]