25760504

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 40594696

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 31, 38, 44, 56, 62, 71, 76, 77, 88, 124, 133, 142, 152, 154, 209, 217, 248, 266, 284, 308, 341, 418, 434, 497, 532, 568, 589, 616, 682, 781, 836, 868, 994, 1064, 1178, 1349, 1364, 1463, 1562, 1672, 1736, 1988, 2201, 2356, 2387, 2698, 2728, 2926, 3124, 3976, 4123, 4402, 4712, 4774, 5396, 5467, 5852, 6248, 6479, 8246, 8804, 9443, 9548, 10792, 10934, 11704, 12958, 14839, 15407, 16492, 17608, 18886, 19096, 21868, 24211, 25916, 29678, 30814, 32984, 37772, 41819, 43736, 45353, 48422, 51832, 59356, 61628, 75544, 83638, 90706, 96844, 103873, 118712, 123256, 167276, 169477, 181412, 193688, 207746, 292733, 334552, 338954, 362824, 415492, 460009, 585466, 677908, 830984, 920018, 1170932, 1355816, 1840036, 2341864, 3220063, 3680072, 6440126, 12880252, 25760504]

約数ペア:

[(1, 25760504), (2, 12880252), (4, 6440126), (7, 3680072), (8, 3220063), (11, 2341864), (14, 1840036), (19, 1355816), (22, 1170932), (28, 920018), (31, 830984), (38, 677908), (44, 585466), (56, 460009), (62, 415492), (71, 362824), (76, 338954), (77, 334552), (88, 292733), (124, 207746), (133, 193688), (142, 181412), (152, 169477), (154, 167276), (209, 123256), (217, 118712), (248, 103873), (266, 96844), (284, 90706), (308, 83638), (341, 75544), (418, 61628), (434, 59356), (497, 51832), (532, 48422), (568, 45353), (589, 43736), (616, 41819), (682, 37772), (781, 32984), (836, 30814), (868, 29678), (994, 25916), (1064, 24211), (1178, 21868), (1349, 19096), (1364, 18886), (1463, 17608), (1562, 16492), (1672, 15407), (1736, 14839), (1988, 12958), (2201, 11704), (2356, 10934), (2387, 10792), (2698, 9548), (2728, 9443), (2926, 8804), (3124, 8246), (3976, 6479), (4123, 6248), (4402, 5852), (4712, 5467), (4774, 5396)]