78656675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 105082560

約数和(自身を除く): 26425885

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 3851, 4085, 19255, 20425, 73169, 96275, 165593, 365845, 827965, 1829225, 3146267, 4139825, 15731335, 78656675]

約数ペア:

[(1, 78656675), (5, 15731335), (19, 4139825), (25, 3146267), (43, 1829225), (95, 827965), (215, 365845), (475, 165593), (817, 96275), (1075, 73169), (3851, 20425), (4085, 19255)]