51855320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 77399080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 1759, 2680, 2948, 3518, 3685, 5896, 7036, 7370, 8795, 14072, 14740, 17590, 19349, 29480, 35180, 38698, 70360, 77396, 96745, 117853, 154792, 193490, 235706, 386980, 471412, 589265, 773960, 942824, 1178530, 1296383, 2357060, 2592766, 4714120, 5185532, 6481915, 10371064, 12963830, 25927660, 51855320]

約数ペア:

[(1, 51855320), (2, 25927660), (4, 12963830), (5, 10371064), (8, 6481915), (10, 5185532), (11, 4714120), (20, 2592766), (22, 2357060), (40, 1296383), (44, 1178530), (55, 942824), (67, 773960), (88, 589265), (110, 471412), (134, 386980), (220, 235706), (268, 193490), (335, 154792), (440, 117853), (536, 96745), (670, 77396), (737, 70360), (1340, 38698), (1474, 35180), (1759, 29480), (2680, 19349), (2948, 17590), (3518, 14740), (3685, 14072), (5896, 8795), (7036, 7370)]