71242280

素因数分解:

$2^3\times 5^1\times {\mathrm{1781057}}^1$

素因数の和:1781068

約数の個数: 16

約数和(自身を含む): 160295220

約数和(自身を除く): 89052940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1781057, 3562114, 7124228, 8905285, 14248456, 17810570, 35621140, 71242280]

約数ペア:

[(1, 71242280), (2, 35621140), (4, 17810570), (5, 14248456), (8, 8905285), (10, 7124228), (20, 3562114), (40, 1781057)]