25600

素因数分解:

$2^{10}\times 5^2$

素因数の和:30

約数の個数: 33

約数和(自身を含む): 63457

約数和(自身を除く): 37857

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 12800, 25600]

約数ペア:

[(1, 25600), (2, 12800), (4, 6400), (5, 5120), (8, 3200), (10, 2560), (16, 1600), (20, 1280), (25, 1024), (32, 800), (40, 640), (50, 512), (64, 400), (80, 320), (100, 256), (128, 200)]