12511420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7537}}^1$

素因数の和:7629

約数の個数: 24

約数和(自身を含む): 26594064

約数和(自身を除く): 14082644

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 7537, 15074, 30148, 37685, 75370, 150740, 625571, 1251142, 2502284, 3127855, 6255710, 12511420]

約数ペア:

[(1, 12511420), (2, 6255710), (4, 3127855), (5, 2502284), (10, 1251142), (20, 625571), (83, 150740), (166, 75370), (332, 37685), (415, 30148), (830, 15074), (1660, 7537)]