166480040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{31771}}^1$

素因数の和:31913

約数の個数: 32

約数和(自身を含む): 377451360

約数和(自身を除く): 210971320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 31771, 63542, 127084, 158855, 254168, 317710, 635420, 1270840, 4162001, 8324002, 16648004, 20810005, 33296008, 41620010, 83240020, 166480040]

約数ペア:

[(1, 166480040), (2, 83240020), (4, 41620010), (5, 33296008), (8, 20810005), (10, 16648004), (20, 8324002), (40, 4162001), (131, 1270840), (262, 635420), (524, 317710), (655, 254168), (1048, 158855), (1310, 127084), (2620, 63542), (5240, 31771)]