13279120

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 31140864

約数和(自身を除く): 17861744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1307, 2032, 2540, 2614, 5080, 5228, 6535, 10160, 10456, 13070, 20912, 26140, 52280, 104560, 165989, 331978, 663956, 829945, 1327912, 1659890, 2655824, 3319780, 6639560, 13279120]

約数ペア:

[(1, 13279120), (2, 6639560), (4, 3319780), (5, 2655824), (8, 1659890), (10, 1327912), (16, 829945), (20, 663956), (40, 331978), (80, 165989), (127, 104560), (254, 52280), (508, 26140), (635, 20912), (1016, 13070), (1270, 10456), (1307, 10160), (2032, 6535), (2540, 5228), (2614, 5080)]