40478960

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2269}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 94577280

約数和(自身を除く): 54098320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 2269, 3568, 4460, 4538, 8920, 9076, 11345, 17840, 18152, 22690, 36304, 45380, 90760, 181520, 505987, 1011974, 2023948, 2529935, 4047896, 5059870, 8095792, 10119740, 20239480, 40478960]

約数ペア:

[(1, 40478960), (2, 20239480), (4, 10119740), (5, 8095792), (8, 5059870), (10, 4047896), (16, 2529935), (20, 2023948), (40, 1011974), (80, 505987), (223, 181520), (446, 90760), (892, 45380), (1115, 36304), (1784, 22690), (2230, 18152), (2269, 17840), (3568, 11345), (4460, 9076), (4538, 8920)]