30925640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3467}}^1$

素因数の和:3701

約数の個数: 32

約数和(自身を含む): 69914880

約数和(自身を除く): 38989240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3467, 4460, 6934, 8920, 13868, 17335, 27736, 34670, 69340, 138680, 773141, 1546282, 3092564, 3865705, 6185128, 7731410, 15462820, 30925640]

約数ペア:

[(1, 30925640), (2, 15462820), (4, 7731410), (5, 6185128), (8, 3865705), (10, 3092564), (20, 1546282), (40, 773141), (223, 138680), (446, 69340), (892, 34670), (1115, 27736), (1784, 17335), (2230, 13868), (3467, 8920), (4460, 6934)]