51200

素因数分解:

$2^{11}\times 5^2$

素因数の和:32

約数の個数: 36

約数和(自身を含む): 126945

約数和(自身を除く): 75745

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, 2048, 2560, 3200, 5120, 6400, 10240, 12800, 25600, 51200]

約数ペア:

[(1, 51200), (2, 25600), (4, 12800), (5, 10240), (8, 6400), (10, 5120), (16, 3200), (20, 2560), (25, 2048), (32, 1600), (40, 1280), (50, 1024), (64, 800), (80, 640), (100, 512), (128, 400), (160, 320), (200, 256)]