51483920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33871}}^1$

素因数の和:33903

約数の個数: 40

約数和(自身を含む): 126003840

約数和(自身を除く): 74519920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33871, 67742, 135484, 169355, 270968, 338710, 541936, 643549, 677420, 1287098, 1354840, 2574196, 2709680, 3217745, 5148392, 6435490, 10296784, 12870980, 25741960, 51483920]

約数ペア:

[(1, 51483920), (2, 25741960), (4, 12870980), (5, 10296784), (8, 6435490), (10, 5148392), (16, 3217745), (19, 2709680), (20, 2574196), (38, 1354840), (40, 1287098), (76, 677420), (80, 643549), (95, 541936), (152, 338710), (190, 270968), (304, 169355), (380, 135484), (760, 67742), (1520, 33871)]