71688880

素因数分解:

$2^4\times 5^1\times {\mathrm{896111}}^1$

素因数の和:896124

約数の個数: 20

約数和(自身を含む): 166676832

約数和(自身を除く): 94987952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 896111, 1792222, 3584444, 4480555, 7168888, 8961110, 14337776, 17922220, 35844440, 71688880]

約数ペア:

[(1, 71688880), (2, 35844440), (4, 17922220), (5, 14337776), (8, 8961110), (10, 7168888), (16, 4480555), (20, 3584444), (40, 1792222), (80, 896111)]