50431640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 88914280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 191, 205, 230, 280, 287, 322, 328, 382, 410, 460, 574, 644, 764, 805, 820, 920, 943, 955, 1148, 1288, 1337, 1435, 1528, 1610, 1640, 1886, 1910, 2296, 2674, 2870, 3220, 3772, 3820, 4393, 4715, 5348, 5740, 6440, 6601, 6685, 7544, 7640, 7831, 8786, 9430, 10696, 11480, 13202, 13370, 15662, 17572, 18860, 21965, 26404, 26740, 30751, 31324, 33005, 35144, 37720, 39155, 43930, 52808, 53480, 54817, 61502, 62648, 66010, 78310, 87860, 109634, 123004, 132020, 153755, 156620, 175720, 180113, 219268, 246008, 264040, 274085, 307510, 313240, 360226, 438536, 548170, 615020, 720452, 900565, 1096340, 1230040, 1260791, 1440904, 1801130, 2192680, 2521582, 3602260, 5043164, 6303955, 7204520, 10086328, 12607910, 25215820, 50431640]

約数ペア:

[(1, 50431640), (2, 25215820), (4, 12607910), (5, 10086328), (7, 7204520), (8, 6303955), (10, 5043164), (14, 3602260), (20, 2521582), (23, 2192680), (28, 1801130), (35, 1440904), (40, 1260791), (41, 1230040), (46, 1096340), (56, 900565), (70, 720452), (82, 615020), (92, 548170), (115, 438536), (140, 360226), (161, 313240), (164, 307510), (184, 274085), (191, 264040), (205, 246008), (230, 219268), (280, 180113), (287, 175720), (322, 156620), (328, 153755), (382, 132020), (410, 123004), (460, 109634), (574, 87860), (644, 78310), (764, 66010), (805, 62648), (820, 61502), (920, 54817), (943, 53480), (955, 52808), (1148, 43930), (1288, 39155), (1337, 37720), (1435, 35144), (1528, 33005), (1610, 31324), (1640, 30751), (1886, 26740), (1910, 26404), (2296, 21965), (2674, 18860), (2870, 17572), (3220, 15662), (3772, 13370), (3820, 13202), (4393, 11480), (4715, 10696), (5348, 9430), (5740, 8786), (6440, 7831), (6601, 7640), (6685, 7544)]