8291420.00000000

素因数分解:

$2^4\times 5^4\times {\mathrm{4049}}^1$

素因数の和:4077

約数の個数: 50

約数和(自身を含む): 98054550

約数和(自身を除く): 57564550

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 4049, 5000, 8098, 10000, 16196, 20245, 32392, 40490, 64784, 80980, 101225, 161960, 202450, 323920, 404900, 506125, 809800, 1012250, 1619600, 2024500, 2530625, 4049000, 5061250, 8098000, 10122500, 20245000, 40490000]

約数ペア:

[(1, 40490000), (2, 20245000), (4, 10122500), (5, 8098000), (8, 5061250), (10, 4049000), (16, 2530625), (20, 2024500), (25, 1619600), (40, 1012250), (50, 809800), (80, 506125), (100, 404900), (125, 323920), (200, 202450), (250, 161960), (400, 101225), (500, 80980), (625, 64784), (1000, 40490), (1250, 32392), (2000, 20245), (2500, 16196), (4049, 10000), (5000, 8098)]