327680

素因数分解:

$2^{16}\times 5^1$

素因数の和:37

約数の個数: 34

約数和(自身を含む): 786426

約数和(自身を除く): 458746

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 16384, 20480, 32768, 40960, 65536, 81920, 163840, 327680]

約数ペア:

[(1, 327680), (2, 163840), (4, 81920), (5, 65536), (8, 40960), (10, 32768), (16, 20480), (20, 16384), (32, 10240), (40, 8192), (64, 5120), (80, 4096), (128, 2560), (160, 2048), (256, 1280), (320, 1024), (512, 640)]