80661256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 170311680

約数和(自身を除く): 89650424

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 197, 248, 254, 394, 403, 508, 788, 806, 1016, 1576, 1612, 1651, 2561, 3224, 3302, 3937, 5122, 6107, 6604, 7874, 10244, 12214, 13208, 15748, 20488, 24428, 25019, 31496, 48856, 50038, 51181, 79391, 100076, 102362, 158782, 200152, 204724, 317564, 325247, 409448, 635128, 650494, 775589, 1300988, 1551178, 2601976, 3102356, 6204712, 10082657, 20165314, 40330628, 80661256]

約数ペア:

[(1, 80661256), (2, 40330628), (4, 20165314), (8, 10082657), (13, 6204712), (26, 3102356), (31, 2601976), (52, 1551178), (62, 1300988), (104, 775589), (124, 650494), (127, 635128), (197, 409448), (248, 325247), (254, 317564), (394, 204724), (403, 200152), (508, 158782), (788, 102362), (806, 100076), (1016, 79391), (1576, 51181), (1612, 50038), (1651, 48856), (2561, 31496), (3224, 25019), (3302, 24428), (3937, 20488), (5122, 15748), (6107, 13208), (6604, 12214), (7874, 10244)]