15707725520

素因数分解:

$2^4\times 5^1\times {\mathrm{196346569}}^1$

素因数の和:196346582

約数の個数: 20

約数和(自身を含む): 36520462020

約数和(自身を除く): 20812736500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196346569, 392693138, 785386276, 981732845, 1570772552, 1963465690, 3141545104, 3926931380, 7853862760, 15707725520]

約数ペア:

[(1, 15707725520), (2, 7853862760), (4, 3926931380), (5, 3141545104), (8, 1963465690), (10, 1570772552), (16, 981732845), (20, 785386276), (40, 392693138), (80, 196346569)]