2012118940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97961}}^1$

素因数の和:98062

約数の個数: 48

約数和(自身を含む): 4608132480

約数和(自身を除く): 2596013540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 97961, 195922, 391844, 489805, 979610, 1273493, 1959220, 2546986, 5093972, 6367465, 7738919, 12734930, 15477838, 25469860, 30955676, 38694595, 77389190, 100605947, 154778380, 201211894, 402423788, 503029735, 1006059470, 2012118940]

約数ペア:

[(1, 2012118940), (2, 1006059470), (4, 503029735), (5, 402423788), (10, 201211894), (13, 154778380), (20, 100605947), (26, 77389190), (52, 38694595), (65, 30955676), (79, 25469860), (130, 15477838), (158, 12734930), (260, 7738919), (316, 6367465), (395, 5093972), (790, 2546986), (1027, 1959220), (1580, 1273493), (2054, 979610), (4108, 489805), (5135, 391844), (10270, 195922), (20540, 97961)]