1915696040

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{36643}}^1$

素因数の和:37961

約数の個数: 32

約数和(自身を含む): 4313731680

約数和(自身を除く): 2398035640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 26140, 36643, 52280, 73286, 146572, 183215, 293144, 366430, 732860, 1465720, 47892401, 95784802, 191569604, 239462005, 383139208, 478924010, 957848020, 1915696040]

約数ペア:

[(1, 1915696040), (2, 957848020), (4, 478924010), (5, 383139208), (8, 239462005), (10, 191569604), (20, 95784802), (40, 47892401), (1307, 1465720), (2614, 732860), (5228, 366430), (6535, 293144), (10456, 183215), (13070, 146572), (26140, 73286), (36643, 52280)]