20188165000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{212507}}^1$

素因数の和:212552

約数の個数: 80

約数和(自身を含む): 49790624400

約数和(自身を除く): 29602459400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 950, 1000, 1250, 1900, 2375, 2500, 3800, 4750, 5000, 9500, 11875, 19000, 23750, 47500, 95000, 212507, 425014, 850028, 1062535, 1700056, 2125070, 4037633, 4250140, 5312675, 8075266, 8500280, 10625350, 16150532, 20188165, 21250700, 26563375, 32301064, 40376330, 42501400, 53126750, 80752660, 100940825, 106253500, 132816875, 161505320, 201881650, 212507000, 265633750, 403763300, 504704125, 531267500, 807526600, 1009408250, 1062535000, 2018816500, 2523520625, 4037633000, 5047041250, 10094082500, 20188165000]

約数ペア:

[(1, 20188165000), (2, 10094082500), (4, 5047041250), (5, 4037633000), (8, 2523520625), (10, 2018816500), (19, 1062535000), (20, 1009408250), (25, 807526600), (38, 531267500), (40, 504704125), (50, 403763300), (76, 265633750), (95, 212507000), (100, 201881650), (125, 161505320), (152, 132816875), (190, 106253500), (200, 100940825), (250, 80752660), (380, 53126750), (475, 42501400), (500, 40376330), (625, 32301064), (760, 26563375), (950, 21250700), (1000, 20188165), (1250, 16150532), (1900, 10625350), (2375, 8500280), (2500, 8075266), (3800, 5312675), (4750, 4250140), (5000, 4037633), (9500, 2125070), (11875, 1700056), (19000, 1062535), (23750, 850028), (47500, 425014), (95000, 212507)]