12813640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45763}}^1$

素因数の和:45781

約数の個数: 32

約数和(自身を含む): 32950080

約数和(自身を除く): 20136440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45763, 91526, 183052, 228815, 320341, 366104, 457630, 640682, 915260, 1281364, 1601705, 1830520, 2562728, 3203410, 6406820, 12813640]

約数ペア:

[(1, 12813640), (2, 6406820), (4, 3203410), (5, 2562728), (7, 1830520), (8, 1601705), (10, 1281364), (14, 915260), (20, 640682), (28, 457630), (35, 366104), (40, 320341), (56, 228815), (70, 183052), (140, 91526), (280, 45763)]