68315020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83311}}^1$

素因数の和:83361

約数の個数: 24

約数和(自身を含む): 146962368

約数和(自身を除く): 78647348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83311, 166622, 333244, 416555, 833110, 1666220, 3415751, 6831502, 13663004, 17078755, 34157510, 68315020]

約数ペア:

[(1, 68315020), (2, 34157510), (4, 17078755), (5, 13663004), (10, 6831502), (20, 3415751), (41, 1666220), (82, 833110), (164, 416555), (205, 333244), (410, 166622), (820, 83311)]