2080553800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{800213}}^1$

素因数の和:800242

約数の個数: 48

約数和(自身を含む): 5209393140

約数和(自身を除く): 3128839340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 800213, 1600426, 3200852, 4001065, 6401704, 8002130, 10402769, 16004260, 20005325, 20805538, 32008520, 40010650, 41611076, 52013845, 80021300, 83222152, 104027690, 160042600, 208055380, 260069225, 416110760, 520138450, 1040276900, 2080553800]

約数ペア:

[(1, 2080553800), (2, 1040276900), (4, 520138450), (5, 416110760), (8, 260069225), (10, 208055380), (13, 160042600), (20, 104027690), (25, 83222152), (26, 80021300), (40, 52013845), (50, 41611076), (52, 40010650), (65, 32008520), (100, 20805538), (104, 20005325), (130, 16004260), (200, 10402769), (260, 8002130), (325, 6401704), (520, 4001065), (650, 3200852), (1300, 1600426), (2600, 800213)]