39972520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142759}}^1$

素因数の和:142777

約数の個数: 32

約数和(自身を含む): 102787200

約数和(自身を除く): 62814680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142759, 285518, 571036, 713795, 999313, 1142072, 1427590, 1998626, 2855180, 3997252, 4996565, 5710360, 7994504, 9993130, 19986260, 39972520]

約数ペア:

[(1, 39972520), (2, 19986260), (4, 9993130), (5, 7994504), (7, 5710360), (8, 4996565), (10, 3997252), (14, 2855180), (20, 1998626), (28, 1427590), (35, 1142072), (40, 999313), (56, 713795), (70, 571036), (140, 285518), (280, 142759)]