2543283920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{291661}}^1$

素因数の和:291783

約数の個数: 40

約数和(自身を含む): 5967404520

約数和(自身を除く): 3424120600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 291661, 583322, 1166644, 1458305, 2333288, 2916610, 4666576, 5833220, 11666440, 23332880, 31791049, 63582098, 127164196, 158955245, 254328392, 317910490, 508656784, 635820980, 1271641960, 2543283920]

約数ペア:

[(1, 2543283920), (2, 1271641960), (4, 635820980), (5, 508656784), (8, 317910490), (10, 254328392), (16, 158955245), (20, 127164196), (40, 63582098), (80, 31791049), (109, 23332880), (218, 11666440), (436, 5833220), (545, 4666576), (872, 2916610), (1090, 2333288), (1744, 1458305), (2180, 1166644), (4360, 583322), (8720, 291661)]