127768240

素因数分解:

$2^4\times 5^1\times {\mathrm{1597103}}^1$

素因数の和:1597116

約数の個数: 20

約数和(自身を含む): 297061344

約数和(自身を除く): 169293104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1597103, 3194206, 6388412, 7985515, 12776824, 15971030, 25553648, 31942060, 63884120, 127768240]

約数ペア:

[(1, 127768240), (2, 63884120), (4, 31942060), (5, 25553648), (8, 15971030), (10, 12776824), (16, 7985515), (20, 6388412), (40, 3194206), (80, 1597103)]