38315920

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1091}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 89369280

約数和(自身を除く): 51053360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1091, 1756, 2182, 2195, 3512, 4364, 4390, 5455, 7024, 8728, 8780, 10910, 17456, 17560, 21820, 35120, 43640, 87280, 478949, 957898, 1915796, 2394745, 3831592, 4789490, 7663184, 9578980, 19157960, 38315920]

約数ペア:

[(1, 38315920), (2, 19157960), (4, 9578980), (5, 7663184), (8, 4789490), (10, 3831592), (16, 2394745), (20, 1915796), (40, 957898), (80, 478949), (439, 87280), (878, 43640), (1091, 35120), (1756, 21820), (2182, 17560), (2195, 17456), (3512, 10910), (4364, 8780), (4390, 8728), (5455, 7024)]