38861680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 109992960

約数和(自身を除く): 71131280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 43, 44, 52, 55, 65, 79, 80, 86, 88, 104, 110, 130, 143, 158, 172, 176, 208, 215, 220, 260, 286, 316, 344, 395, 430, 440, 473, 520, 559, 572, 632, 688, 715, 790, 860, 869, 880, 946, 1027, 1040, 1118, 1144, 1264, 1430, 1580, 1720, 1738, 1892, 2054, 2236, 2288, 2365, 2795, 2860, 3160, 3397, 3440, 3476, 3784, 4108, 4345, 4472, 4730, 5135, 5590, 5720, 6149, 6320, 6794, 6952, 7568, 8216, 8690, 8944, 9460, 10270, 11180, 11297, 11440, 12298, 13588, 13904, 16432, 16985, 17380, 18920, 20540, 22360, 22594, 24596, 27176, 30745, 33970, 34760, 37367, 37840, 41080, 44161, 44720, 45188, 49192, 54352, 56485, 61490, 67940, 69520, 74734, 82160, 88322, 90376, 98384, 112970, 122980, 135880, 149468, 176644, 180752, 186835, 220805, 225940, 245960, 271760, 298936, 353288, 373670, 441610, 451880, 485771, 491920, 597872, 706576, 747340, 883220, 903760, 971542, 1494680, 1766440, 1943084, 2428855, 2989360, 3532880, 3886168, 4857710, 7772336, 9715420, 19430840, 38861680]

約数ペア:

[(1, 38861680), (2, 19430840), (4, 9715420), (5, 7772336), (8, 4857710), (10, 3886168), (11, 3532880), (13, 2989360), (16, 2428855), (20, 1943084), (22, 1766440), (26, 1494680), (40, 971542), (43, 903760), (44, 883220), (52, 747340), (55, 706576), (65, 597872), (79, 491920), (80, 485771), (86, 451880), (88, 441610), (104, 373670), (110, 353288), (130, 298936), (143, 271760), (158, 245960), (172, 225940), (176, 220805), (208, 186835), (215, 180752), (220, 176644), (260, 149468), (286, 135880), (316, 122980), (344, 112970), (395, 98384), (430, 90376), (440, 88322), (473, 82160), (520, 74734), (559, 69520), (572, 67940), (632, 61490), (688, 56485), (715, 54352), (790, 49192), (860, 45188), (869, 44720), (880, 44161), (946, 41080), (1027, 37840), (1040, 37367), (1118, 34760), (1144, 33970), (1264, 30745), (1430, 27176), (1580, 24596), (1720, 22594), (1738, 22360), (1892, 20540), (2054, 18920), (2236, 17380), (2288, 16985), (2365, 16432), (2795, 13904), (2860, 13588), (3160, 12298), (3397, 11440), (3440, 11297), (3476, 11180), (3784, 10270), (4108, 9460), (4345, 8944), (4472, 8690), (4730, 8216), (5135, 7568), (5590, 6952), (5720, 6794), (6149, 6320)]