1555420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 3309264

約数和(自身を除く): 1753844

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 937, 1660, 1874, 3748, 4685, 9370, 18740, 77771, 155542, 311084, 388855, 777710, 1555420]

約数ペア:

[(1, 1555420), (2, 777710), (4, 388855), (5, 311084), (10, 155542), (20, 77771), (83, 18740), (166, 9370), (332, 4685), (415, 3748), (830, 1874), (937, 1660)]