2139040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 5239080

約数和(自身を除く): 3100040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 461, 464, 580, 922, 928, 1160, 1844, 2305, 2320, 3688, 4610, 4640, 7376, 9220, 13369, 14752, 18440, 26738, 36880, 53476, 66845, 73760, 106952, 133690, 213904, 267380, 427808, 534760, 1069520, 2139040]

約数ペア:

[(1, 2139040), (2, 1069520), (4, 534760), (5, 427808), (8, 267380), (10, 213904), (16, 133690), (20, 106952), (29, 73760), (32, 66845), (40, 53476), (58, 36880), (80, 26738), (116, 18440), (145, 14752), (160, 13369), (232, 9220), (290, 7376), (461, 4640), (464, 4610), (580, 3688), (922, 2320), (928, 2305), (1160, 1844)]