40007560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3803}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 90383040

約数和(自身を除く): 50375480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 3803, 5260, 7606, 10520, 15212, 19015, 30424, 38030, 76060, 152120, 1000189, 2000378, 4000756, 5000945, 8001512, 10001890, 20003780, 40007560]

約数ペア:

[(1, 40007560), (2, 20003780), (4, 10001890), (5, 8001512), (8, 5000945), (10, 4000756), (20, 2000378), (40, 1000189), (263, 152120), (526, 76060), (1052, 38030), (1315, 30424), (2104, 19015), (2630, 15212), (3803, 10520), (5260, 7606)]