4079440

素因数分解:

$2^4\times 5^1\times {\mathrm{50993}}^1$

素因数の和:51006

約数の個数: 20

約数和(自身を含む): 9484884

約数和(自身を除く): 5405444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50993, 101986, 203972, 254965, 407944, 509930, 815888, 1019860, 2039720, 4079440]

約数ペア:

[(1, 4079440), (2, 2039720), (4, 1019860), (5, 815888), (8, 509930), (10, 407944), (16, 254965), (20, 203972), (40, 101986), (80, 50993)]