68762420

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5347}}^1$

素因数の和:5999

約数の個数: 24

約数和(自身を含む): 144652704

約数和(自身を除く): 75890284

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 5347, 6430, 10694, 12860, 21388, 26735, 53470, 106940, 3438121, 6876242, 13752484, 17190605, 34381210, 68762420]

約数ペア:

[(1, 68762420), (2, 34381210), (4, 17190605), (5, 13752484), (10, 6876242), (20, 3438121), (643, 106940), (1286, 53470), (2572, 26735), (3215, 21388), (5347, 12860), (6430, 10694)]