79199720

素因数分解:

$2^3\times 5^1\times {\mathrm{1979993}}^1$

素因数の和:1980004

約数の個数: 16

約数和(自身を含む): 178199460

約数和(自身を除く): 98999740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1979993, 3959986, 7919972, 9899965, 15839944, 19799930, 39599860, 79199720]

約数ペア:

[(1, 79199720), (2, 39599860), (4, 19799930), (5, 15839944), (8, 9899965), (10, 7919972), (20, 3959986), (40, 1979993)]