38550920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1979}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 86961600

約数和(自身を除く): 48410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 1979, 2435, 3896, 3958, 4870, 7916, 9740, 9895, 15832, 19480, 19790, 39580, 79160, 963773, 1927546, 3855092, 4818865, 7710184, 9637730, 19275460, 38550920]

約数ペア:

[(1, 38550920), (2, 19275460), (4, 9637730), (5, 7710184), (8, 4818865), (10, 3855092), (20, 1927546), (40, 963773), (487, 79160), (974, 39580), (1948, 19790), (1979, 19480), (2435, 15832), (3896, 9895), (3958, 9740), (4870, 7916)]