39930520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142609}}^1$

素因数の和:142627

約数の個数: 32

約数和(自身を含む): 102679200

約数和(自身を除く): 62748680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142609, 285218, 570436, 713045, 998263, 1140872, 1426090, 1996526, 2852180, 3993052, 4991315, 5704360, 7986104, 9982630, 19965260, 39930520]

約数ペア:

[(1, 39930520), (2, 19965260), (4, 9982630), (5, 7986104), (7, 5704360), (8, 4991315), (10, 3993052), (14, 2852180), (20, 1996526), (28, 1426090), (35, 1140872), (40, 998263), (56, 713045), (70, 570436), (140, 285218), (280, 142609)]