51141920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16823}}^1$

素因数の和:16857

約数の個数: 48

約数和(自身を含む): 127189440

約数和(自身を除く): 76047520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 16823, 33646, 67292, 84115, 134584, 168230, 269168, 319637, 336460, 538336, 639274, 672920, 1278548, 1345840, 1598185, 2557096, 2691680, 3196370, 5114192, 6392740, 10228384, 12785480, 25570960, 51141920]

約数ペア:

[(1, 51141920), (2, 25570960), (4, 12785480), (5, 10228384), (8, 6392740), (10, 5114192), (16, 3196370), (19, 2691680), (20, 2557096), (32, 1598185), (38, 1345840), (40, 1278548), (76, 672920), (80, 639274), (95, 538336), (152, 336460), (160, 319637), (190, 269168), (304, 168230), (380, 134584), (608, 84115), (760, 67292), (1520, 33646), (3040, 16823)]