823974380

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{15791}}^1$

素因数の和:18409

約数の個数: 24

約数和(自身を含む): 1731119040

約数和(自身を除く): 907144660

約数列:

[1, 2, 4, 5, 10, 20, 2609, 5218, 10436, 13045, 15791, 26090, 31582, 52180, 63164, 78955, 157910, 315820, 41198719, 82397438, 164794876, 205993595, 411987190, 823974380]

約数ペア:

[(1, 823974380), (2, 411987190), (4, 205993595), (5, 164794876), (10, 82397438), (20, 41198719), (2609, 315820), (5218, 157910), (10436, 78955), (13045, 63164), (15791, 52180), (26090, 31582)]