31159540

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2357}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 65561832

約数和(自身を除く): 34402292

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2357, 2644, 3305, 4714, 6610, 9428, 11785, 13220, 23570, 47140, 1557977, 3115954, 6231908, 7789885, 15579770, 31159540]

約数ペア:

[(1, 31159540), (2, 15579770), (4, 7789885), (5, 6231908), (10, 3115954), (20, 1557977), (661, 47140), (1322, 23570), (2357, 13220), (2644, 11785), (3305, 9428), (4714, 6610)]