16564675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 22151360

約数和(自身を除く): 5586685

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 811, 817, 1075, 4055, 4085, 15409, 20275, 20425, 34873, 77045, 174365, 385225, 662587, 871825, 3312935, 16564675]

約数ペア:

[(1, 16564675), (5, 3312935), (19, 871825), (25, 662587), (43, 385225), (95, 174365), (215, 77045), (475, 34873), (811, 20425), (817, 20275), (1075, 15409), (4055, 4085)]