71241880

素因数分解:

$2^3\times 5^1\times {\mathrm{1781047}}^1$

素因数の和:1781058

約数の個数: 16

約数和(自身を含む): 160294320

約数和(自身を除く): 89052440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1781047, 3562094, 7124188, 8905235, 14248376, 17810470, 35620940, 71241880]

約数ペア:

[(1, 71241880), (2, 35620940), (4, 17810470), (5, 14248376), (8, 8905235), (10, 7124188), (20, 3562094), (40, 1781047)]