996839440

素因数分解:

$2^4\times 5^1\times {\mathrm{12460493}}^1$

素因数の和:12460506

約数の個数: 20

約数和(自身を含む): 2317651884

約数和(自身を除く): 1320812444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12460493, 24920986, 49841972, 62302465, 99683944, 124604930, 199367888, 249209860, 498419720, 996839440]

約数ペア:

[(1, 996839440), (2, 498419720), (4, 249209860), (5, 199367888), (8, 124604930), (10, 99683944), (16, 62302465), (20, 49841972), (40, 24920986), (80, 12460493)]