40960

素因数分解:

$2^{13}\times 5^1$

素因数の和:31

約数の個数: 28

約数和(自身を含む): 98298

約数和(自身を除く): 57338

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, 20480, 40960]

約数ペア:

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