51666580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52721}}^1$

素因数の和:52744

約数の個数: 36

約数和(自身を含む): 126216468

約数和(自身を除く): 74549888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52721, 105442, 210884, 263605, 369047, 527210, 738094, 1054420, 1476188, 1845235, 2583329, 3690470, 5166658, 7380940, 10333316, 12916645, 25833290, 51666580]

約数ペア:

[(1, 51666580), (2, 25833290), (4, 12916645), (5, 10333316), (7, 7380940), (10, 5166658), (14, 3690470), (20, 2583329), (28, 1845235), (35, 1476188), (49, 1054420), (70, 738094), (98, 527210), (140, 369047), (196, 263605), (245, 210884), (490, 105442), (980, 52721)]