1245915760

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{50077}}^1$

素因数の和:50401

約数の個数: 40

約数和(自身を含む): 2906126496

約数和(自身を除く): 1660210736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 50077, 100154, 200308, 250385, 400616, 500770, 801232, 1001540, 2003080, 4006160, 15573947, 31147894, 62295788, 77869735, 124591576, 155739470, 249183152, 311478940, 622957880, 1245915760]

約数ペア:

[(1, 1245915760), (2, 622957880), (4, 311478940), (5, 249183152), (8, 155739470), (10, 124591576), (16, 77869735), (20, 62295788), (40, 31147894), (80, 15573947), (311, 4006160), (622, 2003080), (1244, 1001540), (1555, 801232), (2488, 500770), (3110, 400616), (4976, 250385), (6220, 200308), (12440, 100154), (24880, 50077)]