131460920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{8581}}^1$

素因数の和:8975

約数の個数: 32

約数和(自身を含む): 296593920

約数和(自身を除く): 165133000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 8581, 15320, 17162, 34324, 42905, 68648, 85810, 171620, 343240, 3286523, 6573046, 13146092, 16432615, 26292184, 32865230, 65730460, 131460920]

約数ペア:

[(1, 131460920), (2, 65730460), (4, 32865230), (5, 26292184), (8, 16432615), (10, 13146092), (20, 6573046), (40, 3286523), (383, 343240), (766, 171620), (1532, 85810), (1915, 68648), (3064, 42905), (3830, 34324), (7660, 17162), (8581, 15320)]