51404800

素因数分解:

$2^{13}\times 5^2\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 84

約数和(自身を含む): 127983996

約数和(自身を除く): 76579196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 251, 256, 320, 400, 502, 512, 640, 800, 1004, 1024, 1255, 1280, 1600, 2008, 2048, 2510, 2560, 3200, 4016, 4096, 5020, 5120, 6275, 6400, 8032, 8192, 10040, 10240, 12550, 12800, 16064, 20080, 20480, 25100, 25600, 32128, 40160, 40960, 50200, 51200, 64256, 80320, 100400, 102400, 128512, 160640, 200800, 204800, 257024, 321280, 401600, 514048, 642560, 803200, 1028096, 1285120, 1606400, 2056192, 2570240, 3212800, 5140480, 6425600, 10280960, 12851200, 25702400, 51404800]

約数ペア:

[(1, 51404800), (2, 25702400), (4, 12851200), (5, 10280960), (8, 6425600), (10, 5140480), (16, 3212800), (20, 2570240), (25, 2056192), (32, 1606400), (40, 1285120), (50, 1028096), (64, 803200), (80, 642560), (100, 514048), (128, 401600), (160, 321280), (200, 257024), (251, 204800), (256, 200800), (320, 160640), (400, 128512), (502, 102400), (512, 100400), (640, 80320), (800, 64256), (1004, 51200), (1024, 50200), (1255, 40960), (1280, 40160), (1600, 32128), (2008, 25600), (2048, 25100), (2510, 20480), (2560, 20080), (3200, 16064), (4016, 12800), (4096, 12550), (5020, 10240), (5120, 10040), (6275, 8192), (6400, 8032)]