67807870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{40123}}^1$

素因数の和:40156

約数の個数: 24

約数和(自身を含む): 132168456

約数和(自身を除く): 64360586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 40123, 80246, 200615, 401230, 521599, 1043198, 2607995, 5215990, 6780787, 13561574, 33903935, 67807870]

約数ペア:

[(1, 67807870), (2, 33903935), (5, 13561574), (10, 6780787), (13, 5215990), (26, 2607995), (65, 1043198), (130, 521599), (169, 401230), (338, 200615), (845, 80246), (1690, 40123)]