28096040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100343}}^1$

素因数の和:100361

約数の個数: 32

約数和(自身を含む): 72247680

約数和(自身を除く): 44151640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100343, 200686, 401372, 501715, 702401, 802744, 1003430, 1404802, 2006860, 2809604, 3512005, 4013720, 5619208, 7024010, 14048020, 28096040]

約数ペア:

[(1, 28096040), (2, 14048020), (4, 7024010), (5, 5619208), (7, 4013720), (8, 3512005), (10, 2809604), (14, 2006860), (20, 1404802), (28, 1003430), (35, 802744), (40, 702401), (56, 501715), (70, 401372), (140, 200686), (280, 100343)]