4139420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 8761200

約数和(自身を除く): 4621780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1489, 2780, 2978, 5956, 7445, 14890, 29780, 206971, 413942, 827884, 1034855, 2069710, 4139420]

約数ペア:

[(1, 4139420), (2, 2069710), (4, 1034855), (5, 827884), (10, 413942), (20, 206971), (139, 29780), (278, 14890), (556, 7445), (695, 5956), (1390, 2978), (1489, 2780)]