201265780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76819}}^1$

素因数の和:76959

約数の個数: 24

約数和(自身を含む): 425890080

約数和(自身を除く): 224624300

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76819, 153638, 307276, 384095, 768190, 1536380, 10063289, 20126578, 40253156, 50316445, 100632890, 201265780]

約数ペア:

[(1, 201265780), (2, 100632890), (4, 50316445), (5, 40253156), (10, 20126578), (20, 10063289), (131, 1536380), (262, 768190), (524, 384095), (655, 307276), (1310, 153638), (2620, 76819)]