2080887560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{197803}}^1$

素因数の和:198077

約数の個数: 32

約数和(自身を含む): 4699823040

約数和(自身を除く): 2618935480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 197803, 395606, 791212, 989015, 1582424, 1978030, 3956060, 7912120, 52022189, 104044378, 208088756, 260110945, 416177512, 520221890, 1040443780, 2080887560]

約数ペア:

[(1, 2080887560), (2, 1040443780), (4, 520221890), (5, 416177512), (8, 260110945), (10, 208088756), (20, 104044378), (40, 52022189), (263, 7912120), (526, 3956060), (1052, 1978030), (1315, 1582424), (2104, 989015), (2630, 791212), (5260, 395606), (10520, 197803)]