71101540

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2741}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 149482872

約数和(自身を除く): 78381332

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 2741, 5188, 5482, 6485, 10964, 12970, 13705, 25940, 27410, 54820, 3555077, 7110154, 14220308, 17775385, 35550770, 71101540]

約数ペア:

[(1, 71101540), (2, 35550770), (4, 17775385), (5, 14220308), (10, 7110154), (20, 3555077), (1297, 54820), (2594, 27410), (2741, 25940), (5188, 13705), (5482, 12970), (6485, 10964)]