7166840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 16254000

約数和(自身を除く): 9087160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1289, 1390, 2578, 2780, 5156, 5560, 6445, 10312, 12890, 25780, 51560, 179171, 358342, 716684, 895855, 1433368, 1791710, 3583420, 7166840]

約数ペア:

[(1, 7166840), (2, 3583420), (4, 1791710), (5, 1433368), (8, 895855), (10, 716684), (20, 358342), (40, 179171), (139, 51560), (278, 25780), (556, 12890), (695, 10312), (1112, 6445), (1289, 5560), (1390, 5156), (2578, 2780)]