210645520

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{12479}}^1$

素因数の和:12703

約数の個数: 40

約数和(自身を含む): 492111360

約数和(自身を除く): 281465840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 12479, 16880, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 499160, 998320, 2633069, 5266138, 10532276, 13165345, 21064552, 26330690, 42129104, 52661380, 105322760, 210645520]

約数ペア:

[(1, 210645520), (2, 105322760), (4, 52661380), (5, 42129104), (8, 26330690), (10, 21064552), (16, 13165345), (20, 10532276), (40, 5266138), (80, 2633069), (211, 998320), (422, 499160), (844, 249580), (1055, 199664), (1688, 124790), (2110, 99832), (3376, 62395), (4220, 49916), (8440, 24958), (12479, 16880)]