27844780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19609}}^1$

素因数の和:19689

約数の個数: 24

約数和(自身を含む): 59300640

約数和(自身を除く): 31455860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19609, 39218, 78436, 98045, 196090, 392180, 1392239, 2784478, 5568956, 6961195, 13922390, 27844780]

約数ペア:

[(1, 27844780), (2, 13922390), (4, 6961195), (5, 5568956), (10, 2784478), (20, 1392239), (71, 392180), (142, 196090), (284, 98045), (355, 78436), (710, 39218), (1420, 19609)]