7998880

素因数分解:

$2^5\times 5^1\times {\mathrm{49993}}^1$

素因数の和:50008

約数の個数: 24

約数和(自身を含む): 18897732

約数和(自身を除く): 10898852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 49993, 99986, 199972, 249965, 399944, 499930, 799888, 999860, 1599776, 1999720, 3999440, 7998880]

約数ペア:

[(1, 7998880), (2, 3999440), (4, 1999720), (5, 1599776), (8, 999860), (10, 799888), (16, 499930), (20, 399944), (32, 249965), (40, 199972), (80, 99986), (160, 49993)]