2820637040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{208627}}^1$

素因数の和:208666

約数の個数: 60

約数和(自身を含む): 7101279864

約数和(自身を除く): 4280642824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 208627, 417254, 834508, 1043135, 1669016, 2086270, 2712151, 3338032, 4172540, 5424302, 8345080, 10848604, 13560755, 16690160, 21697208, 27121510, 35257963, 43394416, 54243020, 70515926, 108486040, 141031852, 176289815, 216972080, 282063704, 352579630, 564127408, 705159260, 1410318520, 2820637040]

約数ペア:

[(1, 2820637040), (2, 1410318520), (4, 705159260), (5, 564127408), (8, 352579630), (10, 282063704), (13, 216972080), (16, 176289815), (20, 141031852), (26, 108486040), (40, 70515926), (52, 54243020), (65, 43394416), (80, 35257963), (104, 27121510), (130, 21697208), (169, 16690160), (208, 13560755), (260, 10848604), (338, 8345080), (520, 5424302), (676, 4172540), (845, 3338032), (1040, 2712151), (1352, 2086270), (1690, 1669016), (2704, 1043135), (3380, 834508), (6760, 417254), (13520, 208627)]