27959440

素因数分解:

$2^4\times 5^1\times {\mathrm{349493}}^1$

素因数の和:349506

約数の個数: 20

約数和(自身を含む): 65005884

約数和(自身を除く): 37046444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349493, 698986, 1397972, 1747465, 2795944, 3494930, 5591888, 6989860, 13979720, 27959440]

約数ペア:

[(1, 27959440), (2, 13979720), (4, 6989860), (5, 5591888), (8, 3494930), (10, 2795944), (16, 1747465), (20, 1397972), (40, 698986), (80, 349493)]