71084180

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4007}}^1$

素因数の和:4903

約数の個数: 24

約数和(自身を含む): 149482368

約数和(自身を除く): 78398188

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4007, 4435, 8014, 8870, 16028, 17740, 20035, 40070, 80140, 3554209, 7108418, 14216836, 17771045, 35542090, 71084180]

約数ペア:

[(1, 71084180), (2, 35542090), (4, 17771045), (5, 14216836), (10, 7108418), (20, 3554209), (887, 80140), (1774, 40070), (3548, 20035), (4007, 17740), (4435, 16028), (8014, 8870)]