71567560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6803}}^1$

素因数の和:7077

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 90095480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6803, 10520, 13606, 27212, 34015, 54424, 68030, 136060, 272120, 1789189, 3578378, 7156756, 8945945, 14313512, 17891890, 35783780, 71567560]

約数ペア:

[(1, 71567560), (2, 35783780), (4, 17891890), (5, 14313512), (8, 8945945), (10, 7156756), (20, 3578378), (40, 1789189), (263, 272120), (526, 136060), (1052, 68030), (1315, 54424), (2104, 34015), (2630, 27212), (5260, 13606), (6803, 10520)]