67691180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31051}}^1$

素因数の和:31169

約数の個数: 24

約数和(自身を含む): 143460240

約数和(自身を除く): 75769060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31051, 62102, 124204, 155255, 310510, 621020, 3384559, 6769118, 13538236, 16922795, 33845590, 67691180]

約数ペア:

[(1, 67691180), (2, 33845590), (4, 16922795), (5, 13538236), (10, 6769118), (20, 3384559), (109, 621020), (218, 310510), (436, 155255), (545, 124204), (1090, 62102), (2180, 31051)]