55400660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395719}}^1$

素因数の和:395735

約数の個数: 24

約数和(自身を含む): 132961920

約数和(自身を除く): 77561260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395719, 791438, 1582876, 1978595, 2770033, 3957190, 5540066, 7914380, 11080132, 13850165, 27700330, 55400660]

約数ペア:

[(1, 55400660), (2, 27700330), (4, 13850165), (5, 11080132), (7, 7914380), (10, 5540066), (14, 3957190), (20, 2770033), (28, 1978595), (35, 1582876), (70, 791438), (140, 395719)]