16119795625

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 21377157120

約数和(自身を除く): 5257361495

約数列:

[1, 5, 25, 47, 59, 71, 125, 131, 235, 295, 355, 625, 655, 1175, 1475, 1775, 2773, 3275, 3337, 4189, 5875, 6157, 7375, 7729, 8875, 9301, 13865, 16375, 16685, 20945, 29375, 30785, 36875, 38645, 44375, 46505, 69325, 81875, 83425, 104725, 153925, 193225, 196883, 232525, 346625, 363263, 417125, 437147, 523625, 548759, 769625, 966125, 984415, 1162625, 1733125, 1816315, 2085625, 2185735, 2618125, 2743795, 3848125, 4830625, 4922075, 5813125, 9081575, 10928675, 13718975, 24610375, 25791673, 45407875, 54643375, 68594875, 123051875, 128958365, 227039375, 273216875, 342974375, 644791825, 3223959125, 16119795625]

約数ペア:

[(1, 16119795625), (5, 3223959125), (25, 644791825), (47, 342974375), (59, 273216875), (71, 227039375), (125, 128958365), (131, 123051875), (235, 68594875), (295, 54643375), (355, 45407875), (625, 25791673), (655, 24610375), (1175, 13718975), (1475, 10928675), (1775, 9081575), (2773, 5813125), (3275, 4922075), (3337, 4830625), (4189, 3848125), (5875, 2743795), (6157, 2618125), (7375, 2185735), (7729, 2085625), (8875, 1816315), (9301, 1733125), (13865, 1162625), (16375, 984415), (16685, 966125), (20945, 769625), (29375, 548759), (30785, 523625), (36875, 437147), (38645, 417125), (44375, 363263), (46505, 346625), (69325, 232525), (81875, 196883), (83425, 193225), (104725, 153925)]