2560256

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 5218332

約数和(自身を除く): 2658076

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 137, 146, 256, 274, 292, 548, 584, 1096, 1168, 2192, 2336, 4384, 4672, 8768, 9344, 10001, 17536, 18688, 20002, 35072, 40004, 80008, 160016, 320032, 640064, 1280128, 2560256]

約数ペア:

[(1, 2560256), (2, 1280128), (4, 640064), (8, 320032), (16, 160016), (32, 80008), (64, 40004), (73, 35072), (128, 20002), (137, 18688), (146, 17536), (256, 10001), (274, 9344), (292, 8768), (548, 4672), (584, 4384), (1096, 2336), (1168, 2192)]