40796980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{937}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 98332416

約数和(自身を除く): 57535436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 937, 1244, 1555, 1874, 2177, 3110, 3748, 4354, 4685, 6220, 6559, 8708, 9370, 10885, 13118, 18740, 21770, 26236, 32795, 43540, 65590, 131180, 291407, 582814, 1165628, 1457035, 2039849, 2914070, 4079698, 5828140, 8159396, 10199245, 20398490, 40796980]

約数ペア:

[(1, 40796980), (2, 20398490), (4, 10199245), (5, 8159396), (7, 5828140), (10, 4079698), (14, 2914070), (20, 2039849), (28, 1457035), (35, 1165628), (70, 582814), (140, 291407), (311, 131180), (622, 65590), (937, 43540), (1244, 32795), (1555, 26236), (1874, 21770), (2177, 18740), (3110, 13118), (3748, 10885), (4354, 9370), (4685, 8708), (6220, 6559)]