80205580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 209534976

約数和(自身を除く): 129329396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 347, 364, 455, 508, 635, 694, 889, 910, 1270, 1388, 1651, 1735, 1778, 1820, 2429, 2540, 3302, 3470, 3556, 4445, 4511, 4858, 6604, 6940, 8255, 8890, 9022, 9716, 11557, 12145, 16510, 17780, 18044, 22555, 23114, 24290, 31577, 33020, 44069, 45110, 46228, 48580, 57785, 63154, 88138, 90220, 115570, 126308, 157885, 176276, 220345, 231140, 308483, 315770, 440690, 572897, 616966, 631540, 881380, 1145794, 1233932, 1542415, 2291588, 2864485, 3084830, 4010279, 5728970, 6169660, 8020558, 11457940, 16041116, 20051395, 40102790, 80205580]

約数ペア:

[(1, 80205580), (2, 40102790), (4, 20051395), (5, 16041116), (7, 11457940), (10, 8020558), (13, 6169660), (14, 5728970), (20, 4010279), (26, 3084830), (28, 2864485), (35, 2291588), (52, 1542415), (65, 1233932), (70, 1145794), (91, 881380), (127, 631540), (130, 616966), (140, 572897), (182, 440690), (254, 315770), (260, 308483), (347, 231140), (364, 220345), (455, 176276), (508, 157885), (635, 126308), (694, 115570), (889, 90220), (910, 88138), (1270, 63154), (1388, 57785), (1651, 48580), (1735, 46228), (1778, 45110), (1820, 44069), (2429, 33020), (2540, 31577), (3302, 24290), (3470, 23114), (3556, 22555), (4445, 18044), (4511, 17780), (4858, 16510), (6604, 12145), (6940, 11557), (8255, 9716), (8890, 9022)]