65844160

素因数分解:

$2^6\times 5^1\times {\mathrm{205763}}^1$

素因数の和:205780

約数の個数: 28

約数和(自身を含む): 156792168

約数和(自身を除く): 90948008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205763, 411526, 823052, 1028815, 1646104, 2057630, 3292208, 4115260, 6584416, 8230520, 13168832, 16461040, 32922080, 65844160]

約数ペア:

[(1, 65844160), (2, 32922080), (4, 16461040), (5, 13168832), (8, 8230520), (10, 6584416), (16, 4115260), (20, 3292208), (32, 2057630), (40, 1646104), (64, 1028815), (80, 823052), (160, 411526), (320, 205763)]