79479440

素因数分解:

$2^4\times 5^1\times {\mathrm{993493}}^1$

素因数の和:993506

約数の個数: 20

約数和(自身を含む): 184789884

約数和(自身を除く): 105310444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 993493, 1986986, 3973972, 4967465, 7947944, 9934930, 15895888, 19869860, 39739720, 79479440]

約数ペア:

[(1, 79479440), (2, 39739720), (4, 19869860), (5, 15895888), (8, 9934930), (10, 7947944), (16, 4967465), (20, 3973972), (40, 1986986), (80, 993493)]