31262240

素因数分解:

$2^5\times 5^1\times {\mathrm{195389}}^1$

素因数の和:195404

約数の個数: 24

約数和(自身を含む): 73857420

約数和(自身を除く): 42595180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195389, 390778, 781556, 976945, 1563112, 1953890, 3126224, 3907780, 6252448, 7815560, 15631120, 31262240]

約数ペア:

[(1, 31262240), (2, 15631120), (4, 7815560), (5, 6252448), (8, 3907780), (10, 3126224), (16, 1953890), (20, 1563112), (32, 976945), (40, 781556), (80, 390778), (160, 195389)]