49508920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13907}}^1$

素因数の和:14007

約数の個数: 32

約数和(自身を含む): 112654800

約数和(自身を除く): 63145880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 13907, 27814, 55628, 69535, 111256, 139070, 278140, 556280, 1237723, 2475446, 4950892, 6188615, 9901784, 12377230, 24754460, 49508920]

約数ペア:

[(1, 49508920), (2, 24754460), (4, 12377230), (5, 9901784), (8, 6188615), (10, 4950892), (20, 2475446), (40, 1237723), (89, 556280), (178, 278140), (356, 139070), (445, 111256), (712, 69535), (890, 55628), (1780, 27814), (3560, 13907)]