2019901160

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{125929}}^1$

素因数の和:126341

約数の個数: 32

約数和(自身を含む): 4556147400

約数和(自身を除く): 2536246240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 125929, 251858, 503716, 629645, 1007432, 1259290, 2518580, 5037160, 50497529, 100995058, 201990116, 252487645, 403980232, 504975290, 1009950580, 2019901160]

約数ペア:

[(1, 2019901160), (2, 1009950580), (4, 504975290), (5, 403980232), (8, 252487645), (10, 201990116), (20, 100995058), (40, 50497529), (401, 5037160), (802, 2518580), (1604, 1259290), (2005, 1007432), (3208, 629645), (4010, 503716), (8020, 251858), (16040, 125929)]