2018802160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{198701}}^1$

素因数の和:198841

約数の個数: 40

約数和(自身を含む): 4730697216

約数和(自身を除く): 2711895056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 198701, 397402, 794804, 993505, 1589608, 1987010, 3179216, 3974020, 7948040, 15896080, 25235027, 50470054, 100940108, 126175135, 201880216, 252350270, 403760432, 504700540, 1009401080, 2018802160]

約数ペア:

[(1, 2018802160), (2, 1009401080), (4, 504700540), (5, 403760432), (8, 252350270), (10, 201880216), (16, 126175135), (20, 100940108), (40, 50470054), (80, 25235027), (127, 15896080), (254, 7948040), (508, 3974020), (635, 3179216), (1016, 1987010), (1270, 1589608), (2032, 993505), (2540, 794804), (5080, 397402), (10160, 198701)]