260859056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20929}}^1$

素因数の和:20997

約数の個数: 40

約数和(自身を含む): 545017200

約数和(自身を除く): 284158144

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 20929, 41858, 83716, 167432, 334864, 397651, 795302, 858089, 1590604, 1716178, 3181208, 3432356, 6362416, 6864712, 13729424, 16303691, 32607382, 65214764, 130429528, 260859056]

約数ペア:

[(1, 260859056), (2, 130429528), (4, 65214764), (8, 32607382), (16, 16303691), (19, 13729424), (38, 6864712), (41, 6362416), (76, 3432356), (82, 3181208), (152, 1716178), (164, 1590604), (304, 858089), (328, 795302), (656, 397651), (779, 334864), (1558, 167432), (3116, 83716), (6232, 41858), (12464, 20929)]