8045020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9811}}^1$

素因数の和:9861

約数の個数: 24

約数和(自身を含む): 17308368

約数和(自身を除く): 9263348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9811, 19622, 39244, 49055, 98110, 196220, 402251, 804502, 1609004, 2011255, 4022510, 8045020]

約数ペア:

[(1, 8045020), (2, 4022510), (4, 2011255), (5, 1609004), (10, 804502), (20, 402251), (41, 196220), (82, 98110), (164, 49055), (205, 39244), (410, 19622), (820, 9811)]