157758880

素因数分解:

$2^5\times 5^1\times {\mathrm{985993}}^1$

素因数の和:986008

約数の個数: 24

約数和(自身を含む): 372705732

約数和(自身を除く): 214946852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 985993, 1971986, 3943972, 4929965, 7887944, 9859930, 15775888, 19719860, 31551776, 39439720, 78879440, 157758880]

約数ペア:

[(1, 157758880), (2, 78879440), (4, 39439720), (5, 31551776), (8, 19719860), (10, 15775888), (16, 9859930), (20, 7887944), (32, 4929965), (40, 3943972), (80, 1971986), (160, 985993)]