25640188

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10289}}^1$

素因数の和:10389

約数の個数: 24

約数和(自身を含む): 51861600

約数和(自身を除く): 26221412

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 10289, 20578, 41156, 72023, 144046, 288092, 915721, 1831442, 3662884, 6410047, 12820094, 25640188]

約数ペア:

[(1, 25640188), (2, 12820094), (4, 6410047), (7, 3662884), (14, 1831442), (28, 915721), (89, 288092), (178, 144046), (356, 72023), (623, 41156), (1246, 20578), (2492, 10289)]