80705548

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 187220376

約数和(自身を除く): 106514828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 83, 98, 121, 154, 164, 166, 196, 242, 287, 308, 332, 451, 484, 539, 574, 581, 847, 902, 913, 1078, 1148, 1162, 1694, 1804, 1826, 2009, 2156, 2324, 3157, 3388, 3403, 3652, 4018, 4067, 4961, 5929, 6314, 6391, 6806, 8036, 8134, 9922, 10043, 11858, 12628, 12782, 13612, 16268, 19844, 20086, 22099, 23716, 23821, 25564, 34727, 37433, 40172, 44198, 44737, 47642, 69454, 70301, 74866, 88396, 89474, 95284, 138908, 140602, 149732, 166747, 178948, 243089, 262031, 281204, 333494, 411763, 486178, 492107, 524062, 666988, 823526, 972356, 984214, 1048124, 1647052, 1834217, 1968428, 2882341, 3668434, 5764682, 7336868, 11529364, 20176387, 40352774, 80705548]

約数ペア:

[(1, 80705548), (2, 40352774), (4, 20176387), (7, 11529364), (11, 7336868), (14, 5764682), (22, 3668434), (28, 2882341), (41, 1968428), (44, 1834217), (49, 1647052), (77, 1048124), (82, 984214), (83, 972356), (98, 823526), (121, 666988), (154, 524062), (164, 492107), (166, 486178), (196, 411763), (242, 333494), (287, 281204), (308, 262031), (332, 243089), (451, 178948), (484, 166747), (539, 149732), (574, 140602), (581, 138908), (847, 95284), (902, 89474), (913, 88396), (1078, 74866), (1148, 70301), (1162, 69454), (1694, 47642), (1804, 44737), (1826, 44198), (2009, 40172), (2156, 37433), (2324, 34727), (3157, 25564), (3388, 23821), (3403, 23716), (3652, 22099), (4018, 20086), (4067, 19844), (4961, 16268), (5929, 13612), (6314, 12782), (6391, 12628), (6806, 11858), (8036, 10043), (8134, 9922)]