805588940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 1897857024

約数和(自身を除く): 1092268084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 127, 130, 155, 254, 260, 310, 403, 508, 620, 635, 787, 806, 1270, 1574, 1612, 1651, 2015, 2540, 3148, 3302, 3935, 3937, 4030, 6604, 7870, 7874, 8060, 8255, 10231, 15740, 15748, 16510, 19685, 20462, 24397, 33020, 39370, 40924, 48794, 51155, 51181, 78740, 97588, 99949, 102310, 102362, 121985, 199898, 204620, 204724, 243970, 255905, 317161, 399796, 487940, 499745, 511810, 634322, 999490, 1023620, 1268644, 1299337, 1585805, 1998980, 2598674, 3098419, 3171610, 5197348, 6196838, 6343220, 6496685, 12393676, 12993370, 15492095, 25986740, 30984190, 40279447, 61968380, 80558894, 161117788, 201397235, 402794470, 805588940]

約数ペア:

[(1, 805588940), (2, 402794470), (4, 201397235), (5, 161117788), (10, 80558894), (13, 61968380), (20, 40279447), (26, 30984190), (31, 25986740), (52, 15492095), (62, 12993370), (65, 12393676), (124, 6496685), (127, 6343220), (130, 6196838), (155, 5197348), (254, 3171610), (260, 3098419), (310, 2598674), (403, 1998980), (508, 1585805), (620, 1299337), (635, 1268644), (787, 1023620), (806, 999490), (1270, 634322), (1574, 511810), (1612, 499745), (1651, 487940), (2015, 399796), (2540, 317161), (3148, 255905), (3302, 243970), (3935, 204724), (3937, 204620), (4030, 199898), (6604, 121985), (7870, 102362), (7874, 102310), (8060, 99949), (8255, 97588), (10231, 78740), (15740, 51181), (15748, 51155), (16510, 48794), (19685, 40924), (20462, 39370), (24397, 33020)]