318880

素因数分解:

$2^5\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2008

約数の個数: 24

約数和(自身を含む): 753732

約数和(自身を除く): 434852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1993, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 63776, 79720, 159440, 318880]

約数ペア:

[(1, 318880), (2, 159440), (4, 79720), (5, 63776), (8, 39860), (10, 31888), (16, 19930), (20, 15944), (32, 9965), (40, 7972), (80, 3986), (160, 1993)]