25333880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 69189120

約数和(自身を除く): 43855240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 103, 104, 110, 130, 143, 172, 206, 215, 220, 260, 286, 344, 412, 430, 440, 473, 515, 520, 559, 572, 715, 824, 860, 946, 1030, 1118, 1133, 1144, 1339, 1430, 1720, 1892, 2060, 2236, 2266, 2365, 2678, 2795, 2860, 3784, 4120, 4429, 4472, 4532, 4730, 5356, 5590, 5665, 5720, 6149, 6695, 8858, 9064, 9460, 10712, 11180, 11330, 12298, 13390, 14729, 17716, 18920, 22145, 22360, 22660, 24596, 26780, 29458, 30745, 35432, 44290, 45320, 48719, 49192, 53560, 57577, 58916, 61490, 73645, 88580, 97438, 115154, 117832, 122980, 147290, 177160, 194876, 230308, 243595, 245960, 287885, 294580, 389752, 460616, 487190, 575770, 589160, 633347, 974380, 1151540, 1266694, 1948760, 2303080, 2533388, 3166735, 5066776, 6333470, 12666940, 25333880]

約数ペア:

[(1, 25333880), (2, 12666940), (4, 6333470), (5, 5066776), (8, 3166735), (10, 2533388), (11, 2303080), (13, 1948760), (20, 1266694), (22, 1151540), (26, 974380), (40, 633347), (43, 589160), (44, 575770), (52, 487190), (55, 460616), (65, 389752), (86, 294580), (88, 287885), (103, 245960), (104, 243595), (110, 230308), (130, 194876), (143, 177160), (172, 147290), (206, 122980), (215, 117832), (220, 115154), (260, 97438), (286, 88580), (344, 73645), (412, 61490), (430, 58916), (440, 57577), (473, 53560), (515, 49192), (520, 48719), (559, 45320), (572, 44290), (715, 35432), (824, 30745), (860, 29458), (946, 26780), (1030, 24596), (1118, 22660), (1133, 22360), (1144, 22145), (1339, 18920), (1430, 17716), (1720, 14729), (1892, 13390), (2060, 12298), (2236, 11330), (2266, 11180), (2365, 10712), (2678, 9460), (2795, 9064), (2860, 8858), (3784, 6695), (4120, 6149), (4429, 5720), (4472, 5665), (4532, 5590), (4730, 5356)]