80450042500

素因数分解:

$2^2\times 5^4\times {\mathrm{439}}^1\times {\mathrm{73303}}^1$

素因数の和:73766

約数の個数: 60

約数和(自身を含む): 176331305920

約数和(自身を除く): 95881263420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 439, 500, 625, 878, 1250, 1756, 2195, 2500, 4390, 8780, 10975, 21950, 43900, 54875, 73303, 109750, 146606, 219500, 274375, 293212, 366515, 548750, 733030, 1097500, 1466060, 1832575, 3665150, 7330300, 9162875, 18325750, 32180017, 36651500, 45814375, 64360034, 91628750, 128720068, 160900085, 183257500, 321800170, 643600340, 804500425, 1609000850, 3218001700, 4022502125, 8045004250, 16090008500, 20112510625, 40225021250, 80450042500]

約数ペア:

[(1, 80450042500), (2, 40225021250), (4, 20112510625), (5, 16090008500), (10, 8045004250), (20, 4022502125), (25, 3218001700), (50, 1609000850), (100, 804500425), (125, 643600340), (250, 321800170), (439, 183257500), (500, 160900085), (625, 128720068), (878, 91628750), (1250, 64360034), (1756, 45814375), (2195, 36651500), (2500, 32180017), (4390, 18325750), (8780, 9162875), (10975, 7330300), (21950, 3665150), (43900, 1832575), (54875, 1466060), (73303, 1097500), (109750, 733030), (146606, 548750), (219500, 366515), (274375, 293212)]