6639560

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 15068160

約数和(自身を除く): 8428600

約数列:

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

約数ペア:

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