82813840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9497}}^1$

素因数の和:9619

約数の個数: 40

約数和(自身を含む): 194329080

約数和(自身を除く): 111515240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9497, 18994, 37988, 47485, 75976, 94970, 151952, 189940, 379880, 759760, 1035173, 2070346, 4140692, 5175865, 8281384, 10351730, 16562768, 20703460, 41406920, 82813840]

約数ペア:

[(1, 82813840), (2, 41406920), (4, 20703460), (5, 16562768), (8, 10351730), (10, 8281384), (16, 5175865), (20, 4140692), (40, 2070346), (80, 1035173), (109, 759760), (218, 379880), (436, 189940), (545, 151952), (872, 94970), (1090, 75976), (1744, 47485), (2180, 37988), (4360, 18994), (8720, 9497)]