655360

素因数分解:

$2^{17}\times 5^1$

素因数の和:39

約数の個数: 36

約数和(自身を含む): 1572858

約数和(自身を除く): 917498

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, 131072, 163840, 327680, 655360]

約数ペア:

[(1, 655360), (2, 327680), (4, 163840), (5, 131072), (8, 81920), (10, 65536), (16, 40960), (20, 32768), (32, 20480), (40, 16384), (64, 10240), (80, 8192), (128, 5120), (160, 4096), (256, 2560), (320, 2048), (512, 1280), (640, 1024)]