104857520

素因数分解:

$2^4\times 5^1\times {\mathrm{1310719}}^1$

素因数の和:1310732

約数の個数: 20

約数和(自身を含む): 243793920

約数和(自身を除く): 138936400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310719, 2621438, 5242876, 6553595, 10485752, 13107190, 20971504, 26214380, 52428760, 104857520]

約数ペア:

[(1, 104857520), (2, 52428760), (4, 26214380), (5, 20971504), (8, 13107190), (10, 10485752), (16, 6553595), (20, 5242876), (40, 2621438), (80, 1310719)]