804555880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{102101}}^1$

素因数の和:102309

約数の個数: 32

約数和(自身を含む): 1819457640

約数和(自身を除く): 1014901760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 102101, 204202, 408404, 510505, 816808, 1021010, 2042020, 4084040, 20113897, 40227794, 80455588, 100569485, 160911176, 201138970, 402277940, 804555880]

約数ペア:

[(1, 804555880), (2, 402277940), (4, 201138970), (5, 160911176), (8, 100569485), (10, 80455588), (20, 40227794), (40, 20113897), (197, 4084040), (394, 2042020), (788, 1021010), (985, 816808), (1576, 510505), (1970, 408404), (3940, 204202), (7880, 102101)]