77610920

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4481}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 175066920

約数和(自身を除く): 97456000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 4481, 8660, 8962, 17320, 17924, 22405, 35848, 44810, 89620, 179240, 1940273, 3880546, 7761092, 9701365, 15522184, 19402730, 38805460, 77610920]

約数ペア:

[(1, 77610920), (2, 38805460), (4, 19402730), (5, 15522184), (8, 9701365), (10, 7761092), (20, 3880546), (40, 1940273), (433, 179240), (866, 89620), (1732, 44810), (2165, 35848), (3464, 22405), (4330, 17924), (4481, 17320), (8660, 8962)]