25580140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55609}}^1$

素因数の和:55641

約数の個数: 24

約数和(自身を含む): 56054880

約数和(自身を除く): 30474740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 55609, 111218, 222436, 278045, 556090, 1112180, 1279007, 2558014, 5116028, 6395035, 12790070, 25580140]

約数ペア:

[(1, 25580140), (2, 12790070), (4, 6395035), (5, 5116028), (10, 2558014), (20, 1279007), (23, 1112180), (46, 556090), (92, 278045), (115, 222436), (230, 111218), (460, 55609)]