2080258520

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{76819}}^1$

素因数の和:77507

約数の個数: 32

約数和(自身を含む): 4687556400

約数和(自身を除く): 2607297880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6770, 13540, 27080, 76819, 153638, 307276, 384095, 614552, 768190, 1536380, 3072760, 52006463, 104012926, 208025852, 260032315, 416051704, 520064630, 1040129260, 2080258520]

約数ペア:

[(1, 2080258520), (2, 1040129260), (4, 520064630), (5, 416051704), (8, 260032315), (10, 208025852), (20, 104012926), (40, 52006463), (677, 3072760), (1354, 1536380), (2708, 768190), (3385, 614552), (5416, 384095), (6770, 307276), (13540, 153638), (27080, 76819)]