5254261640

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 11898956160

約数和(自身を除く): 6644694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 643, 727, 1124, 1286, 1405, 1454, 2248, 2572, 2810, 2908, 3215, 3635, 5144, 5620, 5816, 6430, 7270, 11240, 12860, 14540, 25720, 29080, 180683, 204287, 361366, 408574, 467461, 722732, 817148, 903415, 934922, 1021435, 1445464, 1634296, 1806830, 1869844, 2042870, 2337305, 3613660, 3739688, 4085740, 4674610, 7227320, 8171480, 9349220, 18698440, 131356541, 262713082, 525426164, 656782705, 1050852328, 1313565410, 2627130820, 5254261640]

約数ペア:

[(1, 5254261640), (2, 2627130820), (4, 1313565410), (5, 1050852328), (8, 656782705), (10, 525426164), (20, 262713082), (40, 131356541), (281, 18698440), (562, 9349220), (643, 8171480), (727, 7227320), (1124, 4674610), (1286, 4085740), (1405, 3739688), (1454, 3613660), (2248, 2337305), (2572, 2042870), (2810, 1869844), (2908, 1806830), (3215, 1634296), (3635, 1445464), (5144, 1021435), (5620, 934922), (5816, 903415), (6430, 817148), (7270, 722732), (11240, 467461), (12860, 408574), (14540, 361366), (25720, 204287), (29080, 180683)]