71336120

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6781}}^1$

素因数の和:7055

約数の個数: 32

約数和(自身を含む): 161140320

約数和(自身を除く): 89804200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6781, 10520, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 1783403, 3566806, 7133612, 8917015, 14267224, 17834030, 35668060, 71336120]

約数ペア:

[(1, 71336120), (2, 35668060), (4, 17834030), (5, 14267224), (8, 8917015), (10, 7133612), (20, 3566806), (40, 1783403), (263, 271240), (526, 135620), (1052, 67810), (1315, 54248), (2104, 33905), (2630, 27124), (5260, 13562), (6781, 10520)]