15550720

素因数分解:

$2^8\times 5^1\times {\mathrm{12149}}^1$

素因数の和:12170

約数の個数: 36

約数和(自身を含む): 37251900

約数和(自身を除く): 21701180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12149, 24298, 48596, 60745, 97192, 121490, 194384, 242980, 388768, 485960, 777536, 971920, 1555072, 1943840, 3110144, 3887680, 7775360, 15550720]

約数ペア:

[(1, 15550720), (2, 7775360), (4, 3887680), (5, 3110144), (8, 1943840), (10, 1555072), (16, 971920), (20, 777536), (32, 485960), (40, 388768), (64, 242980), (80, 194384), (128, 121490), (160, 97192), (256, 60745), (320, 48596), (640, 24298), (1280, 12149)]