49876207520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{19081}}^1$

素因数の和:19175

約数の個数: 144

約数和(自身を含む): 128925090504

約数和(自身を除く): 79048882984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 961, 992, 1054, 1240, 1360, 1922, 2108, 2480, 2635, 2720, 3844, 4216, 4805, 4960, 5270, 7688, 8432, 9610, 10540, 15376, 16337, 16864, 19081, 19220, 21080, 30752, 32674, 38162, 38440, 42160, 65348, 76324, 76880, 81685, 84320, 95405, 130696, 152648, 153760, 163370, 190810, 261392, 305296, 324377, 326740, 381620, 522784, 591511, 610592, 648754, 653480, 763240, 1183022, 1297508, 1306960, 1526480, 1621885, 2366044, 2595016, 2613920, 2957555, 3052960, 3243770, 4732088, 5190032, 5915110, 6487540, 9464176, 10055687, 10380064, 11830220, 12975080, 18336841, 18928352, 20111374, 23660440, 25950160, 36673682, 40222748, 47320880, 50278435, 51900320, 73347364, 80445496, 91684205, 94641760, 100556870, 146694728, 160890992, 183368410, 201113740, 293389456, 311726297, 321781984, 366736820, 402227480, 586778912, 623452594, 733473640, 804454960, 1246905188, 1466947280, 1558631485, 1608909920, 2493810376, 2933894560, 3117262970, 4987620752, 6234525940, 9975241504, 12469051880, 24938103760, 49876207520]

約数ペア:

[(1, 49876207520), (2, 24938103760), (4, 12469051880), (5, 9975241504), (8, 6234525940), (10, 4987620752), (16, 3117262970), (17, 2933894560), (20, 2493810376), (31, 1608909920), (32, 1558631485), (34, 1466947280), (40, 1246905188), (62, 804454960), (68, 733473640), (80, 623452594), (85, 586778912), (124, 402227480), (136, 366736820), (155, 321781984), (160, 311726297), (170, 293389456), (248, 201113740), (272, 183368410), (310, 160890992), (340, 146694728), (496, 100556870), (527, 94641760), (544, 91684205), (620, 80445496), (680, 73347364), (961, 51900320), (992, 50278435), (1054, 47320880), (1240, 40222748), (1360, 36673682), (1922, 25950160), (2108, 23660440), (2480, 20111374), (2635, 18928352), (2720, 18336841), (3844, 12975080), (4216, 11830220), (4805, 10380064), (4960, 10055687), (5270, 9464176), (7688, 6487540), (8432, 5915110), (9610, 5190032), (10540, 4732088), (15376, 3243770), (16337, 3052960), (16864, 2957555), (19081, 2613920), (19220, 2595016), (21080, 2366044), (30752, 1621885), (32674, 1526480), (38162, 1306960), (38440, 1297508), (42160, 1183022), (65348, 763240), (76324, 653480), (76880, 648754), (81685, 610592), (84320, 591511), (95405, 522784), (130696, 381620), (152648, 326740), (153760, 324377), (163370, 305296), (190810, 261392)]