64267160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26339}}^1$

素因数の和:26411

約数の個数: 32

約数和(自身を含む): 146977200

約数和(自身を除く): 82710040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26339, 52678, 105356, 131695, 210712, 263390, 526780, 1053560, 1606679, 3213358, 6426716, 8033395, 12853432, 16066790, 32133580, 64267160]

約数ペア:

[(1, 64267160), (2, 32133580), (4, 16066790), (5, 12853432), (8, 8033395), (10, 6426716), (20, 3213358), (40, 1606679), (61, 1053560), (122, 526780), (244, 263390), (305, 210712), (488, 131695), (610, 105356), (1220, 52678), (2440, 26339)]