55085660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4421}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 133721280

約数和(自身を除く): 78635620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 4421, 6230, 8842, 12460, 17684, 22105, 30947, 44210, 61894, 88420, 123788, 154735, 309470, 393469, 618940, 786938, 1573876, 1967345, 2754283, 3934690, 5508566, 7869380, 11017132, 13771415, 27542830, 55085660]

約数ペア:

[(1, 55085660), (2, 27542830), (4, 13771415), (5, 11017132), (7, 7869380), (10, 5508566), (14, 3934690), (20, 2754283), (28, 1967345), (35, 1573876), (70, 786938), (89, 618940), (140, 393469), (178, 309470), (356, 154735), (445, 123788), (623, 88420), (890, 61894), (1246, 44210), (1780, 30947), (2492, 22105), (3115, 17684), (4421, 12460), (6230, 8842)]