2104049125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{391451}}^1$

素因数の和:391509

約数の個数: 16

約数和(自身を含む): 2686926528

約数和(自身を除く): 582877403

約数列:

[1, 5, 25, 43, 125, 215, 1075, 5375, 391451, 1957255, 9786275, 16832393, 48931375, 84161965, 420809825, 2104049125]

約数ペア:

[(1, 2104049125), (5, 420809825), (25, 84161965), (43, 48931375), (125, 16832393), (215, 9786275), (1075, 1957255), (5375, 391451)]