81497810

素因数分解:

$2^1\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{4451}}^1$

素因数の和:6289

約数の個数: 16

約数和(自身を含む): 146809152

約数和(自身を除く): 65311342

約数列:

[1, 2, 5, 10, 1831, 3662, 4451, 8902, 9155, 18310, 22255, 44510, 8149781, 16299562, 40748905, 81497810]

約数ペア:

[(1, 81497810), (2, 40748905), (5, 16299562), (10, 8149781), (1831, 44510), (3662, 22255), (4451, 18310), (8902, 9155)]