1660752020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1\times {\mathrm{2551}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 3574800768

約数和(自身を除く): 1914048748

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 757, 860, 1514, 2551, 3028, 3785, 5102, 7570, 10204, 12755, 15140, 25510, 32551, 51020, 65102, 109693, 130204, 162755, 219386, 325510, 438772, 548465, 651020, 1096930, 1931107, 2193860, 3862214, 7724428, 9655535, 19311070, 38622140, 83037601, 166075202, 332150404, 415188005, 830376010, 1660752020]

約数ペア:

[(1, 1660752020), (2, 830376010), (4, 415188005), (5, 332150404), (10, 166075202), (20, 83037601), (43, 38622140), (86, 19311070), (172, 9655535), (215, 7724428), (430, 3862214), (757, 2193860), (860, 1931107), (1514, 1096930), (2551, 651020), (3028, 548465), (3785, 438772), (5102, 325510), (7570, 219386), (10204, 162755), (12755, 130204), (15140, 109693), (25510, 65102), (32551, 51020)]