5245000

素因数分解:

$2^3\times 5^4\times {\mathrm{1049}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 12300750

約数和(自身を除く): 7055750

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1049, 1250, 2098, 2500, 4196, 5000, 5245, 8392, 10490, 20980, 26225, 41960, 52450, 104900, 131125, 209800, 262250, 524500, 655625, 1049000, 1311250, 2622500, 5245000]

約数ペア:

[(1, 5245000), (2, 2622500), (4, 1311250), (5, 1049000), (8, 655625), (10, 524500), (20, 262250), (25, 209800), (40, 131125), (50, 104900), (100, 52450), (125, 41960), (200, 26225), (250, 20980), (500, 10490), (625, 8392), (1000, 5245), (1049, 5000), (1250, 4196), (2098, 2500)]