71756120

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5659}}^1$

素因数の和:5987

約数の個数: 32

約数和(自身を含む): 161989200

約数和(自身を除く): 90233080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5659, 6340, 11318, 12680, 22636, 28295, 45272, 56590, 113180, 226360, 1793903, 3587806, 7175612, 8969515, 14351224, 17939030, 35878060, 71756120]

約数ペア:

[(1, 71756120), (2, 35878060), (4, 17939030), (5, 14351224), (8, 8969515), (10, 7175612), (20, 3587806), (40, 1793903), (317, 226360), (634, 113180), (1268, 56590), (1585, 45272), (2536, 28295), (3170, 22636), (5659, 12680), (6340, 11318)]