12695480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45341}}^1$

素因数の和:45359

約数の個数: 32

約数和(自身を含む): 32646240

約数和(自身を除く): 19950760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45341, 90682, 181364, 226705, 317387, 362728, 453410, 634774, 906820, 1269548, 1586935, 1813640, 2539096, 3173870, 6347740, 12695480]

約数ペア:

[(1, 12695480), (2, 6347740), (4, 3173870), (5, 2539096), (7, 1813640), (8, 1586935), (10, 1269548), (14, 906820), (20, 634774), (28, 453410), (35, 362728), (40, 317387), (56, 226705), (70, 181364), (140, 90682), (280, 45341)]