672177580

素因数分解:

$2^2\times 5^1\times {\mathrm{4159}}^1\times {\mathrm{8081}}^1$

素因数の和:12249

約数の個数: 24

約数和(自身を含む): 1412087040

約数和(自身を除く): 739909460

約数列:

[1, 2, 4, 5, 10, 20, 4159, 8081, 8318, 16162, 16636, 20795, 32324, 40405, 41590, 80810, 83180, 161620, 33608879, 67217758, 134435516, 168044395, 336088790, 672177580]

約数ペア:

[(1, 672177580), (2, 336088790), (4, 168044395), (5, 134435516), (10, 67217758), (20, 33608879), (4159, 161620), (8081, 83180), (8318, 80810), (16162, 41590), (16636, 40405), (20795, 32324)]