2080353560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{514939}}^1$

素因数の和:515051

約数の個数: 32

約数和(自身を含む): 4727149200

約数和(自身を除く): 2646795640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 514939, 1029878, 2059756, 2574695, 4119512, 5149390, 10298780, 20597560, 52008839, 104017678, 208035356, 260044195, 416070712, 520088390, 1040176780, 2080353560]

約数ペア:

[(1, 2080353560), (2, 1040176780), (4, 520088390), (5, 416070712), (8, 260044195), (10, 208035356), (20, 104017678), (40, 52008839), (101, 20597560), (202, 10298780), (404, 5149390), (505, 4119512), (808, 2574695), (1010, 2059756), (2020, 1029878), (4040, 514939)]