102400

素因数分解:

$2^{12}\times 5^2$

素因数の和:34

約数の個数: 39

約数和(自身を含む): 253921

約数和(自身を除く): 151521

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, 4096, 5120, 6400, 10240, 12800, 20480, 25600, 51200, 102400]

約数ペア:

[(1, 102400), (2, 51200), (4, 25600), (5, 20480), (8, 12800), (10, 10240), (16, 6400), (20, 5120), (25, 4096), (32, 3200), (40, 2560), (50, 2048), (64, 1600), (80, 1280), (100, 1024), (128, 800), (160, 640), (200, 512), (256, 400)]