816054920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{84653}}^1$

素因数の和:84905

約数の個数: 32

約数和(自身を含む): 1843764120

約数和(自身を除く): 1027709200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 84653, 169306, 338612, 423265, 677224, 846530, 1693060, 3386120, 20401373, 40802746, 81605492, 102006865, 163210984, 204013730, 408027460, 816054920]

約数ペア:

[(1, 816054920), (2, 408027460), (4, 204013730), (5, 163210984), (8, 102006865), (10, 81605492), (20, 40802746), (40, 20401373), (241, 3386120), (482, 1693060), (964, 846530), (1205, 677224), (1928, 423265), (2410, 338612), (4820, 169306), (9640, 84653)]