2040540160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{398543}}^1$

素因数の和:398568

約数の個数: 44

約数和(自身を含む): 4894917408

約数和(自身を除く): 2854377248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 398543, 797086, 1594172, 1992715, 3188344, 3985430, 6376688, 7970860, 12753376, 15941720, 25506752, 31883440, 51013504, 63766880, 102027008, 127533760, 204054016, 255067520, 408108032, 510135040, 1020270080, 2040540160]

約数ペア:

[(1, 2040540160), (2, 1020270080), (4, 510135040), (5, 408108032), (8, 255067520), (10, 204054016), (16, 127533760), (20, 102027008), (32, 63766880), (40, 51013504), (64, 31883440), (80, 25506752), (128, 15941720), (160, 12753376), (256, 7970860), (320, 6376688), (512, 3985430), (640, 3188344), (1024, 1992715), (1280, 1594172), (2560, 797086), (5120, 398543)]