51875500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 72

約数和(自身を含む): 120687840

約数和(自身を除く): 68812340

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 289, 340, 359, 425, 500, 578, 718, 850, 1156, 1436, 1445, 1700, 1795, 2125, 2890, 3590, 4250, 5780, 6103, 7180, 7225, 8500, 8975, 12206, 14450, 17950, 24412, 28900, 30515, 35900, 36125, 44875, 61030, 72250, 89750, 103751, 122060, 144500, 152575, 179500, 207502, 305150, 415004, 518755, 610300, 762875, 1037510, 1525750, 2075020, 2593775, 3051500, 5187550, 10375100, 12968875, 25937750, 51875500]

約数ペア:

[(1, 51875500), (2, 25937750), (4, 12968875), (5, 10375100), (10, 5187550), (17, 3051500), (20, 2593775), (25, 2075020), (34, 1525750), (50, 1037510), (68, 762875), (85, 610300), (100, 518755), (125, 415004), (170, 305150), (250, 207502), (289, 179500), (340, 152575), (359, 144500), (425, 122060), (500, 103751), (578, 89750), (718, 72250), (850, 61030), (1156, 44875), (1436, 36125), (1445, 35900), (1700, 30515), (1795, 28900), (2125, 24412), (2890, 17950), (3590, 14450), (4250, 12206), (5780, 8975), (6103, 8500), (7180, 7225)]