40664825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 52314360

約数和(自身を除く): 11649535

約数列:

[1, 5, 25, 41, 97, 205, 409, 485, 1025, 2045, 2425, 3977, 10225, 16769, 19885, 39673, 83845, 99425, 198365, 419225, 991825, 1626593, 8132965, 40664825]

約数ペア:

[(1, 40664825), (5, 8132965), (25, 1626593), (41, 991825), (97, 419225), (205, 198365), (409, 99425), (485, 83845), (1025, 39673), (2045, 19885), (2425, 16769), (3977, 10225)]