196890640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19379}}^1$

素因数の和:19519

約数の個数: 40

約数和(自身を含む): 461399040

約数和(自身を除く): 264508400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19379, 38758, 77516, 96895, 155032, 193790, 310064, 387580, 775160, 1550320, 2461133, 4922266, 9844532, 12305665, 19689064, 24611330, 39378128, 49222660, 98445320, 196890640]

約数ペア:

[(1, 196890640), (2, 98445320), (4, 49222660), (5, 39378128), (8, 24611330), (10, 19689064), (16, 12305665), (20, 9844532), (40, 4922266), (80, 2461133), (127, 1550320), (254, 775160), (508, 387580), (635, 310064), (1016, 193790), (1270, 155032), (2032, 96895), (2540, 77516), (5080, 38758), (10160, 19379)]