2017390840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{471353}}^1$

素因数の和:471471

約数の個数: 32

約数和(自身を含む): 4581560880

約数和(自身を除く): 2564170040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 471353, 942706, 1885412, 2356765, 3770824, 4713530, 9427060, 18854120, 50434771, 100869542, 201739084, 252173855, 403478168, 504347710, 1008695420, 2017390840]

約数ペア:

[(1, 2017390840), (2, 1008695420), (4, 504347710), (5, 403478168), (8, 252173855), (10, 201739084), (20, 100869542), (40, 50434771), (107, 18854120), (214, 9427060), (428, 4713530), (535, 3770824), (856, 2356765), (1070, 1885412), (2140, 942706), (4280, 471353)]