51495590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 101243520

約数和(自身を除く): 49747930

約数列:

[1, 2, 5, 10, 29, 41, 58, 61, 71, 82, 122, 142, 145, 205, 290, 305, 355, 410, 610, 710, 1189, 1769, 2059, 2378, 2501, 2911, 3538, 4118, 4331, 5002, 5822, 5945, 8662, 8845, 10295, 11890, 12505, 14555, 17690, 20590, 21655, 25010, 29110, 43310, 72529, 84419, 125599, 145058, 168838, 177571, 251198, 355142, 362645, 422095, 627995, 725290, 844190, 887855, 1255990, 1775710, 5149559, 10299118, 25747795, 51495590]

約数ペア:

[(1, 51495590), (2, 25747795), (5, 10299118), (10, 5149559), (29, 1775710), (41, 1255990), (58, 887855), (61, 844190), (71, 725290), (82, 627995), (122, 422095), (142, 362645), (145, 355142), (205, 251198), (290, 177571), (305, 168838), (355, 145058), (410, 125599), (610, 84419), (710, 72529), (1189, 43310), (1769, 29110), (2059, 25010), (2378, 21655), (2501, 20590), (2911, 17690), (3538, 14555), (4118, 12505), (4331, 11890), (5002, 10295), (5822, 8845), (5945, 8662)]