11820560

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 27706560

約数和(自身を除く): 15886000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1063, 1112, 1390, 2126, 2224, 2780, 4252, 5315, 5560, 8504, 10630, 11120, 17008, 21260, 42520, 85040, 147757, 295514, 591028, 738785, 1182056, 1477570, 2364112, 2955140, 5910280, 11820560]

約数ペア:

[(1, 11820560), (2, 5910280), (4, 2955140), (5, 2364112), (8, 1477570), (10, 1182056), (16, 738785), (20, 591028), (40, 295514), (80, 147757), (139, 85040), (278, 42520), (556, 21260), (695, 17008), (1063, 11120), (1112, 10630), (1390, 8504), (2126, 5560), (2224, 5315), (2780, 4252)]