25421540

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1301}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 53480952

約数和(自身を除く): 28059412

約数列:

[1, 2, 4, 5, 10, 20, 977, 1301, 1954, 2602, 3908, 4885, 5204, 6505, 9770, 13010, 19540, 26020, 1271077, 2542154, 5084308, 6355385, 12710770, 25421540]

約数ペア:

[(1, 25421540), (2, 12710770), (4, 6355385), (5, 5084308), (10, 2542154), (20, 1271077), (977, 26020), (1301, 19540), (1954, 13010), (2602, 9770), (3908, 6505), (4885, 5204)]