30881320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6079}}^1$

素因数の和:6217

約数の個数: 32

約数和(自身を含む): 70041600

約数和(自身を除く): 39160280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6079, 12158, 24316, 30395, 48632, 60790, 121580, 243160, 772033, 1544066, 3088132, 3860165, 6176264, 7720330, 15440660, 30881320]

約数ペア:

[(1, 30881320), (2, 15440660), (4, 7720330), (5, 6176264), (8, 3860165), (10, 3088132), (20, 1544066), (40, 772033), (127, 243160), (254, 121580), (508, 60790), (635, 48632), (1016, 30395), (1270, 24316), (2540, 12158), (5080, 6079)]