28608025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 9452039

約数列:

[1, 5, 17, 25, 83, 85, 415, 425, 811, 1411, 2075, 4055, 7055, 13787, 20275, 35275, 67313, 68935, 336565, 344675, 1144321, 1682825, 5721605, 28608025]

約数ペア:

[(1, 28608025), (5, 5721605), (17, 1682825), (25, 1144321), (83, 344675), (85, 336565), (415, 68935), (425, 67313), (811, 35275), (1411, 20275), (2075, 13787), (4055, 7055)]