25697980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 71322048

約数和(自身を除く): 45624068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 41, 44, 55, 70, 74, 77, 82, 110, 121, 140, 148, 154, 164, 185, 205, 220, 242, 259, 287, 308, 370, 385, 407, 410, 451, 484, 518, 574, 605, 740, 770, 814, 820, 847, 902, 1036, 1148, 1210, 1295, 1435, 1517, 1540, 1628, 1694, 1804, 2035, 2255, 2420, 2590, 2849, 2870, 3034, 3157, 3388, 4070, 4235, 4477, 4510, 4961, 5180, 5698, 5740, 6068, 6314, 7585, 8140, 8470, 8954, 9020, 9922, 10619, 11396, 12628, 14245, 15170, 15785, 16687, 16940, 17908, 19844, 21238, 22385, 24805, 28490, 30340, 31339, 31570, 33374, 34727, 42476, 44770, 49610, 53095, 56980, 62678, 63140, 66748, 69454, 83435, 89540, 99220, 106190, 116809, 125356, 138908, 156695, 166870, 173635, 183557, 212380, 233618, 313390, 333740, 347270, 367114, 467236, 584045, 626780, 694540, 734228, 917785, 1168090, 1284899, 1835570, 2336180, 2569798, 3671140, 5139596, 6424495, 12848990, 25697980]

約数ペア:

[(1, 25697980), (2, 12848990), (4, 6424495), (5, 5139596), (7, 3671140), (10, 2569798), (11, 2336180), (14, 1835570), (20, 1284899), (22, 1168090), (28, 917785), (35, 734228), (37, 694540), (41, 626780), (44, 584045), (55, 467236), (70, 367114), (74, 347270), (77, 333740), (82, 313390), (110, 233618), (121, 212380), (140, 183557), (148, 173635), (154, 166870), (164, 156695), (185, 138908), (205, 125356), (220, 116809), (242, 106190), (259, 99220), (287, 89540), (308, 83435), (370, 69454), (385, 66748), (407, 63140), (410, 62678), (451, 56980), (484, 53095), (518, 49610), (574, 44770), (605, 42476), (740, 34727), (770, 33374), (814, 31570), (820, 31339), (847, 30340), (902, 28490), (1036, 24805), (1148, 22385), (1210, 21238), (1295, 19844), (1435, 17908), (1517, 16940), (1540, 16687), (1628, 15785), (1694, 15170), (1804, 14245), (2035, 12628), (2255, 11396), (2420, 10619), (2590, 9922), (2849, 9020), (2870, 8954), (3034, 8470), (3157, 8140), (3388, 7585), (4070, 6314), (4235, 6068), (4477, 5740), (4510, 5698), (4961, 5180)]