69807820

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{2729}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 146764800

約数和(自身を除く): 76956980

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 2729, 5116, 5458, 6395, 10916, 12790, 13645, 25580, 27290, 54580, 3490391, 6980782, 13961564, 17451955, 34903910, 69807820]

約数ペア:

[(1, 69807820), (2, 34903910), (4, 17451955), (5, 13961564), (10, 6980782), (20, 3490391), (1279, 54580), (2558, 27290), (2729, 25580), (5116, 13645), (5458, 12790), (6395, 10916)]