8325220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 17580024

約数和(自身を除く): 9254804

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2113, 3940, 4226, 8452, 10565, 21130, 42260, 416261, 832522, 1665044, 2081305, 4162610, 8325220]

約数ペア:

[(1, 8325220), (2, 4162610), (4, 2081305), (5, 1665044), (10, 832522), (20, 416261), (197, 42260), (394, 21130), (788, 10565), (985, 8452), (1970, 4226), (2113, 3940)]