74978740

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{4001}}^1$

素因数の和:4947

約数の個数: 24

約数和(自身を含む): 157662792

約数和(自身を除く): 82684052

約数列:

[1, 2, 4, 5, 10, 20, 937, 1874, 3748, 4001, 4685, 8002, 9370, 16004, 18740, 20005, 40010, 80020, 3748937, 7497874, 14995748, 18744685, 37489370, 74978740]

約数ペア:

[(1, 74978740), (2, 37489370), (4, 18744685), (5, 14995748), (10, 7497874), (20, 3748937), (937, 80020), (1874, 40010), (3748, 20005), (4001, 18740), (4685, 16004), (8002, 9370)]