80382560

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2381}}^1$

素因数の和:2607

約数の個数: 48

約数和(自身を含む): 190883952

約数和(自身を除く): 110501392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 2381, 3376, 4220, 4762, 6752, 8440, 9524, 11905, 16880, 19048, 23810, 33760, 38096, 47620, 76192, 95240, 190480, 380960, 502391, 1004782, 2009564, 2511955, 4019128, 5023910, 8038256, 10047820, 16076512, 20095640, 40191280, 80382560]

約数ペア:

[(1, 80382560), (2, 40191280), (4, 20095640), (5, 16076512), (8, 10047820), (10, 8038256), (16, 5023910), (20, 4019128), (32, 2511955), (40, 2009564), (80, 1004782), (160, 502391), (211, 380960), (422, 190480), (844, 95240), (1055, 76192), (1688, 47620), (2110, 38096), (2381, 33760), (3376, 23810), (4220, 19048), (4762, 16880), (6752, 11905), (8440, 9524)]