80201440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45569}}^1$

素因数の和:45595

約数の個数: 48

約数和(自身を含む): 206705520

約数和(自身を除く): 126504080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 45569, 91138, 182276, 227845, 364552, 455690, 501259, 729104, 911380, 1002518, 1458208, 1822760, 2005036, 2506295, 3645520, 4010072, 5012590, 7291040, 8020144, 10025180, 16040288, 20050360, 40100720, 80201440]

約数ペア:

[(1, 80201440), (2, 40100720), (4, 20050360), (5, 16040288), (8, 10025180), (10, 8020144), (11, 7291040), (16, 5012590), (20, 4010072), (22, 3645520), (32, 2506295), (40, 2005036), (44, 1822760), (55, 1458208), (80, 1002518), (88, 911380), (110, 729104), (160, 501259), (176, 455690), (220, 364552), (352, 227845), (440, 182276), (880, 91138), (1760, 45569)]