20802238872560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{10547519}}^1$

素因数の和:10547898

約数の個数: 80

約数和(自身を含む): 49085204774400

約数和(自身を除く): 28282965901840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 277, 356, 445, 554, 712, 890, 1108, 1385, 1424, 1780, 2216, 2770, 3560, 4432, 5540, 7120, 11080, 22160, 24653, 49306, 98612, 123265, 197224, 246530, 394448, 493060, 986120, 1972240, 10547519, 21095038, 42190076, 52737595, 84380152, 105475190, 168760304, 210950380, 421900760, 843801520, 938729191, 1877458382, 2921662763, 3754916764, 4693645955, 5843325526, 7509833528, 9387291910, 11686651052, 14608313815, 15019667056, 18774583820, 23373302104, 29216627630, 37549167640, 46746604208, 58433255260, 75098335280, 116866510520, 233733021040, 260027985907, 520055971814, 1040111943628, 1300139929535, 2080223887256, 2600279859070, 4160447774512, 5200559718140, 10401119436280, 20802238872560]

約数ペア:

[(1, 20802238872560), (2, 10401119436280), (4, 5200559718140), (5, 4160447774512), (8, 2600279859070), (10, 2080223887256), (16, 1300139929535), (20, 1040111943628), (40, 520055971814), (80, 260027985907), (89, 233733021040), (178, 116866510520), (277, 75098335280), (356, 58433255260), (445, 46746604208), (554, 37549167640), (712, 29216627630), (890, 23373302104), (1108, 18774583820), (1385, 15019667056), (1424, 14608313815), (1780, 11686651052), (2216, 9387291910), (2770, 7509833528), (3560, 5843325526), (4432, 4693645955), (5540, 3754916764), (7120, 2921662763), (11080, 1877458382), (22160, 938729191), (24653, 843801520), (49306, 421900760), (98612, 210950380), (123265, 168760304), (197224, 105475190), (246530, 84380152), (394448, 52737595), (493060, 42190076), (986120, 21095038), (1972240, 10547519)]