55804240

素因数分解:

$2^4\times 5^1\times {\mathrm{697553}}^1$

素因数の和:697566

約数の個数: 20

約数和(自身を含む): 129745044

約数和(自身を除く): 73940804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697553, 1395106, 2790212, 3487765, 5580424, 6975530, 11160848, 13951060, 27902120, 55804240]

約数ペア:

[(1, 55804240), (2, 27902120), (4, 13951060), (5, 11160848), (8, 6975530), (10, 5580424), (16, 3487765), (20, 2790212), (40, 1395106), (80, 697553)]