8120780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 17172960

約数和(自身を除く): 9052180

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2689, 3020, 5378, 10756, 13445, 26890, 53780, 406039, 812078, 1624156, 2030195, 4060390, 8120780]

約数ペア:

[(1, 8120780), (2, 4060390), (4, 2030195), (5, 1624156), (10, 812078), (20, 406039), (151, 53780), (302, 26890), (604, 13445), (755, 10756), (1510, 5378), (2689, 3020)]