2018703920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{870131}}^1$

素因数の和:870173

約数の個数: 40

約数和(自身を含む): 4855336560

約数和(自身を除く): 2836632640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 870131, 1740262, 3480524, 4350655, 6961048, 8701310, 13922096, 17402620, 25233799, 34805240, 50467598, 69610480, 100935196, 126168995, 201870392, 252337990, 403740784, 504675980, 1009351960, 2018703920]

約数ペア:

[(1, 2018703920), (2, 1009351960), (4, 504675980), (5, 403740784), (8, 252337990), (10, 201870392), (16, 126168995), (20, 100935196), (29, 69610480), (40, 50467598), (58, 34805240), (80, 25233799), (116, 17402620), (145, 13922096), (232, 8701310), (290, 6961048), (464, 4350655), (580, 3480524), (1160, 1740262), (2320, 870131)]