4096000

素因数分解:

$2^{15}\times 5^3$

素因数の和:45

約数の個数: 64

約数和(自身を含む): 10223460

約数和(自身を除く): 6127460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1024, 1280, 1600, 2000, 2048, 2560, 3200, 4000, 4096, 5120, 6400, 8000, 8192, 10240, 12800, 16000, 16384, 20480, 25600, 32000, 32768, 40960, 51200, 64000, 81920, 102400, 128000, 163840, 204800, 256000, 409600, 512000, 819200, 1024000, 2048000, 4096000]

約数ペア:

[(1, 4096000), (2, 2048000), (4, 1024000), (5, 819200), (8, 512000), (10, 409600), (16, 256000), (20, 204800), (25, 163840), (32, 128000), (40, 102400), (50, 81920), (64, 64000), (80, 51200), (100, 40960), (125, 32768), (128, 32000), (160, 25600), (200, 20480), (250, 16384), (256, 16000), (320, 12800), (400, 10240), (500, 8192), (512, 8000), (640, 6400), (800, 5120), (1000, 4096), (1024, 4000), (1280, 3200), (1600, 2560), (2000, 2048)]