2187520

素因数分解:

$2^8\times 5^1\times {\mathrm{1709}}^1$

素因数の和:1730

約数の個数: 36

約数和(自身を含む): 5242860

約数和(自身を除く): 3055340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1709, 3418, 6836, 8545, 13672, 17090, 27344, 34180, 54688, 68360, 109376, 136720, 218752, 273440, 437504, 546880, 1093760, 2187520]

約数ペア:

[(1, 2187520), (2, 1093760), (4, 546880), (5, 437504), (8, 273440), (10, 218752), (16, 136720), (20, 109376), (32, 68360), (40, 54688), (64, 34180), (80, 27344), (128, 17090), (160, 13672), (256, 8545), (320, 6836), (640, 3418), (1280, 1709)]