2100085420

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{79609}}^1$

素因数の和:80937

約数の個数: 24

約数和(自身を含む): 4413578400

約数和(自身を除く): 2313492980

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 5276, 6595, 13190, 26380, 79609, 159218, 318436, 398045, 796090, 1592180, 105004271, 210008542, 420017084, 525021355, 1050042710, 2100085420]

約数ペア:

[(1, 2100085420), (2, 1050042710), (4, 525021355), (5, 420017084), (10, 210008542), (20, 105004271), (1319, 1592180), (2638, 796090), (5276, 398045), (6595, 318436), (13190, 159218), (26380, 79609)]