64674820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9829}}^1$

素因数の和:9892

約数の個数: 48

約数和(自身を含む): 158538240

約数和(自身を除く): 93863420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9829, 19658, 39316, 49145, 68803, 98290, 137606, 196580, 275212, 344015, 461963, 688030, 923926, 1376060, 1847852, 2309815, 3233741, 4619630, 6467482, 9239260, 12934964, 16168705, 32337410, 64674820]

約数ペア:

[(1, 64674820), (2, 32337410), (4, 16168705), (5, 12934964), (7, 9239260), (10, 6467482), (14, 4619630), (20, 3233741), (28, 2309815), (35, 1847852), (47, 1376060), (70, 923926), (94, 688030), (140, 461963), (188, 344015), (235, 275212), (329, 196580), (470, 137606), (658, 98290), (940, 68803), (1316, 49145), (1645, 39316), (3290, 19658), (6580, 9829)]