25620980

素因数分解:

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

素因数の和:285

約数の個数: 96

約数和(自身を含む): 68124672

約数和(自身を除く): 42503692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 127, 131, 140, 154, 220, 254, 262, 308, 385, 508, 524, 635, 655, 770, 889, 917, 1270, 1310, 1397, 1441, 1540, 1778, 1834, 2540, 2620, 2794, 2882, 3556, 3668, 4445, 4585, 5588, 5764, 6985, 7205, 8890, 9170, 9779, 10087, 13970, 14410, 16637, 17780, 18340, 19558, 20174, 27940, 28820, 33274, 39116, 40348, 48895, 50435, 66548, 83185, 97790, 100870, 116459, 166370, 183007, 195580, 201740, 232918, 332740, 366014, 465836, 582295, 732028, 915035, 1164590, 1281049, 1830070, 2329180, 2562098, 3660140, 5124196, 6405245, 12810490, 25620980]

約数ペア:

[(1, 25620980), (2, 12810490), (4, 6405245), (5, 5124196), (7, 3660140), (10, 2562098), (11, 2329180), (14, 1830070), (20, 1281049), (22, 1164590), (28, 915035), (35, 732028), (44, 582295), (55, 465836), (70, 366014), (77, 332740), (110, 232918), (127, 201740), (131, 195580), (140, 183007), (154, 166370), (220, 116459), (254, 100870), (262, 97790), (308, 83185), (385, 66548), (508, 50435), (524, 48895), (635, 40348), (655, 39116), (770, 33274), (889, 28820), (917, 27940), (1270, 20174), (1310, 19558), (1397, 18340), (1441, 17780), (1540, 16637), (1778, 14410), (1834, 13970), (2540, 10087), (2620, 9779), (2794, 9170), (2882, 8890), (3556, 7205), (3668, 6985), (4445, 5764), (4585, 5588)]