83561980

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2729}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 175659120

約数和(自身を除く): 92097140

約数列:

[1, 2, 4, 5, 10, 20, 1531, 2729, 3062, 5458, 6124, 7655, 10916, 13645, 15310, 27290, 30620, 54580, 4178099, 8356198, 16712396, 20890495, 41780990, 83561980]

約数ペア:

[(1, 83561980), (2, 41780990), (4, 20890495), (5, 16712396), (10, 8356198), (20, 4178099), (1531, 54580), (2729, 30620), (3062, 27290), (5458, 15310), (6124, 13645), (7655, 10916)]