26945660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 65064384

約数和(自身を除く): 38118724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 977, 985, 1379, 1954, 1970, 2758, 3908, 3940, 4885, 5516, 6839, 6895, 9770, 13678, 13790, 19540, 27356, 27580, 34195, 68390, 136780, 192469, 384938, 769876, 962345, 1347283, 1924690, 2694566, 3849380, 5389132, 6736415, 13472830, 26945660]

約数ペア:

[(1, 26945660), (2, 13472830), (4, 6736415), (5, 5389132), (7, 3849380), (10, 2694566), (14, 1924690), (20, 1347283), (28, 962345), (35, 769876), (70, 384938), (140, 192469), (197, 136780), (394, 68390), (788, 34195), (977, 27580), (985, 27356), (1379, 19540), (1954, 13790), (1970, 13678), (2758, 9770), (3908, 6895), (3940, 6839), (4885, 5516)]