12804900425

素因数分解:

$5^2\times {\mathrm{313}}^1\times {\mathrm{409}}^1\times {\mathrm{4001}}^1$

素因数の和:4733

約数の個数: 24

約数和(自身を含む): 15971741880

約数和(自身を除く): 3166841455

約数列:

[1, 5, 25, 313, 409, 1565, 2045, 4001, 7825, 10225, 20005, 100025, 128017, 640085, 1252313, 1636409, 3200425, 6261565, 8182045, 31307825, 40910225, 512196017, 2560980085, 12804900425]

約数ペア:

[(1, 12804900425), (5, 2560980085), (25, 512196017), (313, 40910225), (409, 31307825), (1565, 8182045), (2045, 6261565), (4001, 3200425), (7825, 1636409), (10225, 1252313), (20005, 640085), (100025, 128017)]