66508820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1753}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 160301568

約数和(自身を除く): 93792748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1753, 1897, 2710, 3506, 3794, 5420, 7012, 7588, 8765, 9485, 12271, 17530, 18970, 24542, 35060, 37940, 49084, 61355, 122710, 245420, 475063, 950126, 1900252, 2375315, 3325441, 4750630, 6650882, 9501260, 13301764, 16627205, 33254410, 66508820]

約数ペア:

[(1, 66508820), (2, 33254410), (4, 16627205), (5, 13301764), (7, 9501260), (10, 6650882), (14, 4750630), (20, 3325441), (28, 2375315), (35, 1900252), (70, 950126), (140, 475063), (271, 245420), (542, 122710), (1084, 61355), (1355, 49084), (1753, 37940), (1897, 35060), (2710, 24542), (3506, 18970), (3794, 17530), (5420, 12271), (7012, 9485), (7588, 8765)]