84881780

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3371}}^1$

素因数の和:4639

約数の個数: 24

約数和(自身を含む): 178446240

約数和(自身を除く): 93564460

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 3371, 5036, 6295, 6742, 12590, 13484, 16855, 25180, 33710, 67420, 4244089, 8488178, 16976356, 21220445, 42440890, 84881780]

約数ペア:

[(1, 84881780), (2, 42440890), (4, 21220445), (5, 16976356), (10, 8488178), (20, 4244089), (1259, 67420), (2518, 33710), (3371, 25180), (5036, 16855), (6295, 13484), (6742, 12590)]