89605460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640039}}^1$

素因数の和:640055

約数の個数: 24

約数和(自身を含む): 215053440

約数和(自身を除く): 125447980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640039, 1280078, 2560156, 3200195, 4480273, 6400390, 8960546, 12800780, 17921092, 22401365, 44802730, 89605460]

約数ペア:

[(1, 89605460), (2, 44802730), (4, 22401365), (5, 17921092), (7, 12800780), (10, 8960546), (14, 6400390), (20, 4480273), (28, 3200195), (35, 2560156), (70, 1280078), (140, 640039)]