42147920

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2099}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 98431200

約数和(自身を除く): 56283280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2099, 2510, 4016, 4198, 5020, 8396, 10040, 10495, 16792, 20080, 20990, 33584, 41980, 83960, 167920, 526849, 1053698, 2107396, 2634245, 4214792, 5268490, 8429584, 10536980, 21073960, 42147920]

約数ペア:

[(1, 42147920), (2, 21073960), (4, 10536980), (5, 8429584), (8, 5268490), (10, 4214792), (16, 2634245), (20, 2107396), (40, 1053698), (80, 526849), (251, 167920), (502, 83960), (1004, 41980), (1255, 33584), (2008, 20990), (2099, 20080), (2510, 16792), (4016, 10495), (4198, 10040), (5020, 8396)]