25558225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 42747264

約数和(自身を除く): 17189039

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 71, 77, 85, 119, 121, 175, 187, 275, 355, 385, 425, 497, 595, 605, 781, 847, 935, 1207, 1309, 1775, 1925, 2057, 2485, 2975, 3025, 3905, 4235, 4675, 5467, 6035, 6545, 8449, 8591, 10285, 12425, 13277, 14399, 19525, 21175, 27335, 30175, 32725, 42245, 42955, 51425, 60137, 66385, 71995, 92939, 136675, 146047, 211225, 214775, 300685, 331925, 359975, 464695, 730235, 1022329, 1503425, 2323475, 3651175, 5111645, 25558225]

約数ペア:

[(1, 25558225), (5, 5111645), (7, 3651175), (11, 2323475), (17, 1503425), (25, 1022329), (35, 730235), (55, 464695), (71, 359975), (77, 331925), (85, 300685), (119, 214775), (121, 211225), (175, 146047), (187, 136675), (275, 92939), (355, 71995), (385, 66385), (425, 60137), (497, 51425), (595, 42955), (605, 42245), (781, 32725), (847, 30175), (935, 27335), (1207, 21175), (1309, 19525), (1775, 14399), (1925, 13277), (2057, 12425), (2485, 10285), (2975, 8591), (3025, 8449), (3905, 6545), (4235, 6035), (4675, 5467)]