2045521640

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{164431}}^1$

素因数の和:164753

約数の個数: 32

約数和(自身を含む): 4617250560

約数和(自身を除く): 2571728920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 164431, 328862, 657724, 822155, 1315448, 1644310, 3288620, 6577240, 51138041, 102276082, 204552164, 255690205, 409104328, 511380410, 1022760820, 2045521640]

約数ペア:

[(1, 2045521640), (2, 1022760820), (4, 511380410), (5, 409104328), (8, 255690205), (10, 204552164), (20, 102276082), (40, 51138041), (311, 6577240), (622, 3288620), (1244, 1644310), (1555, 1315448), (2488, 822155), (3110, 657724), (6220, 328862), (12440, 164431)]