65742920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16273}}^1$

素因数の和:16385

約数の個数: 32

約数和(自身を含む): 149395320

約数和(自身を除く): 83652400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 16273, 32546, 65092, 81365, 130184, 162730, 325460, 650920, 1643573, 3287146, 6574292, 8217865, 13148584, 16435730, 32871460, 65742920]

約数ペア:

[(1, 65742920), (2, 32871460), (4, 16435730), (5, 13148584), (8, 8217865), (10, 6574292), (20, 3287146), (40, 1643573), (101, 650920), (202, 325460), (404, 162730), (505, 130184), (808, 81365), (1010, 65092), (2020, 32546), (4040, 16273)]