16090040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9811}}^1$

素因数の和:9863

約数の個数: 32

約数和(自身を含む): 37089360

約数和(自身を除く): 20999320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9811, 19622, 39244, 49055, 78488, 98110, 196220, 392440, 402251, 804502, 1609004, 2011255, 3218008, 4022510, 8045020, 16090040]

約数ペア:

[(1, 16090040), (2, 8045020), (4, 4022510), (5, 3218008), (8, 2011255), (10, 1609004), (20, 804502), (40, 402251), (41, 392440), (82, 196220), (164, 98110), (205, 78488), (328, 49055), (410, 39244), (820, 19622), (1640, 9811)]