51661540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{797}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 124411392

約数和(自身を除く): 72749852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463, 797, 926, 1594, 1852, 2315, 3188, 3241, 3985, 4630, 5579, 6482, 7970, 9260, 11158, 12964, 15940, 16205, 22316, 27895, 32410, 55790, 64820, 111580, 369011, 738022, 1476044, 1845055, 2583077, 3690110, 5166154, 7380220, 10332308, 12915385, 25830770, 51661540]

約数ペア:

[(1, 51661540), (2, 25830770), (4, 12915385), (5, 10332308), (7, 7380220), (10, 5166154), (14, 3690110), (20, 2583077), (28, 1845055), (35, 1476044), (70, 738022), (140, 369011), (463, 111580), (797, 64820), (926, 55790), (1594, 32410), (1852, 27895), (2315, 22316), (3188, 16205), (3241, 15940), (3985, 12964), (4630, 11158), (5579, 9260), (6482, 7970)]