5140480

素因数分解:

$2^{12}\times 5^1\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 52

約数和(自身を含む): 12384792

約数和(自身を除く): 7244312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 502, 512, 640, 1004, 1024, 1255, 1280, 2008, 2048, 2510, 2560, 4016, 4096, 5020, 5120, 8032, 10040, 10240, 16064, 20080, 20480, 32128, 40160, 64256, 80320, 128512, 160640, 257024, 321280, 514048, 642560, 1028096, 1285120, 2570240, 5140480]

約数ペア:

[(1, 5140480), (2, 2570240), (4, 1285120), (5, 1028096), (8, 642560), (10, 514048), (16, 321280), (20, 257024), (32, 160640), (40, 128512), (64, 80320), (80, 64256), (128, 40160), (160, 32128), (251, 20480), (256, 20080), (320, 16064), (502, 10240), (512, 10040), (640, 8032), (1004, 5120), (1024, 5020), (1255, 4096), (1280, 4016), (2008, 2560), (2048, 2510)]