2558045140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{65963}}^1$

素因数の和:66256

約数の個数: 48

約数和(自身を含む): 6161565312

約数和(自身を除く): 3603520172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 7756, 9695, 19390, 38780, 65963, 131926, 263852, 329815, 461741, 659630, 923482, 1319260, 1846964, 2308705, 4617410, 9234820, 18271751, 36543502, 73087004, 91358755, 127902257, 182717510, 255804514, 365435020, 511609028, 639511285, 1279022570, 2558045140]

約数ペア:

[(1, 2558045140), (2, 1279022570), (4, 639511285), (5, 511609028), (7, 365435020), (10, 255804514), (14, 182717510), (20, 127902257), (28, 91358755), (35, 73087004), (70, 36543502), (140, 18271751), (277, 9234820), (554, 4617410), (1108, 2308705), (1385, 1846964), (1939, 1319260), (2770, 923482), (3878, 659630), (5540, 461741), (7756, 329815), (9695, 263852), (19390, 131926), (38780, 65963)]