51241960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 145981440

約数和(自身を除く): 94739480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 127, 131, 140, 154, 220, 254, 262, 280, 308, 385, 440, 508, 524, 616, 635, 655, 770, 889, 917, 1016, 1048, 1270, 1310, 1397, 1441, 1540, 1778, 1834, 2540, 2620, 2794, 2882, 3080, 3556, 3668, 4445, 4585, 5080, 5240, 5588, 5764, 6985, 7112, 7205, 7336, 8890, 9170, 9779, 10087, 11176, 11528, 13970, 14410, 16637, 17780, 18340, 19558, 20174, 27940, 28820, 33274, 35560, 36680, 39116, 40348, 48895, 50435, 55880, 57640, 66548, 78232, 80696, 83185, 97790, 100870, 116459, 133096, 166370, 183007, 195580, 201740, 232918, 332740, 366014, 391160, 403480, 465836, 582295, 665480, 732028, 915035, 931672, 1164590, 1281049, 1464056, 1830070, 2329180, 2562098, 3660140, 4658360, 5124196, 6405245, 7320280, 10248392, 12810490, 25620980, 51241960]

約数ペア:

[(1, 51241960), (2, 25620980), (4, 12810490), (5, 10248392), (7, 7320280), (8, 6405245), (10, 5124196), (11, 4658360), (14, 3660140), (20, 2562098), (22, 2329180), (28, 1830070), (35, 1464056), (40, 1281049), (44, 1164590), (55, 931672), (56, 915035), (70, 732028), (77, 665480), (88, 582295), (110, 465836), (127, 403480), (131, 391160), (140, 366014), (154, 332740), (220, 232918), (254, 201740), (262, 195580), (280, 183007), (308, 166370), (385, 133096), (440, 116459), (508, 100870), (524, 97790), (616, 83185), (635, 80696), (655, 78232), (770, 66548), (889, 57640), (917, 55880), (1016, 50435), (1048, 48895), (1270, 40348), (1310, 39116), (1397, 36680), (1441, 35560), (1540, 33274), (1778, 28820), (1834, 27940), (2540, 20174), (2620, 19558), (2794, 18340), (2882, 17780), (3080, 16637), (3556, 14410), (3668, 13970), (4445, 11528), (4585, 11176), (5080, 10087), (5240, 9779), (5588, 9170), (5764, 8890), (6985, 7336), (7112, 7205)]