28841320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9127}}^1$

素因数の和:9217

約数の個数: 32

約数和(自身を含む): 65721600

約数和(自身を除く): 36880280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9127, 18254, 36508, 45635, 73016, 91270, 182540, 365080, 721033, 1442066, 2884132, 3605165, 5768264, 7210330, 14420660, 28841320]

約数ペア:

[(1, 28841320), (2, 14420660), (4, 7210330), (5, 5768264), (8, 3605165), (10, 2884132), (20, 1442066), (40, 721033), (79, 365080), (158, 182540), (316, 91270), (395, 73016), (632, 45635), (790, 36508), (1580, 18254), (3160, 9127)]