51211840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8459

約数の個数: 56

約数和(自身を含む): 128381760

約数和(自身を除く): 77169920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 8423, 16846, 33692, 42115, 67384, 84230, 134768, 160037, 168460, 269536, 320074, 336920, 539072, 640148, 673840, 800185, 1280296, 1347680, 1600370, 2560592, 2695360, 3200740, 5121184, 6401480, 10242368, 12802960, 25605920, 51211840]

約数ペア:

[(1, 51211840), (2, 25605920), (4, 12802960), (5, 10242368), (8, 6401480), (10, 5121184), (16, 3200740), (19, 2695360), (20, 2560592), (32, 1600370), (38, 1347680), (40, 1280296), (64, 800185), (76, 673840), (80, 640148), (95, 539072), (152, 336920), (160, 320074), (190, 269536), (304, 168460), (320, 160037), (380, 134768), (608, 84230), (760, 67384), (1216, 42115), (1520, 33692), (3040, 16846), (6080, 8423)]