201207320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{116981}}^1$

素因数の和:117035

約数の個数: 32

約数和(自身を含む): 463248720

約数和(自身を除く): 262041400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 116981, 233962, 467924, 584905, 935848, 1169810, 2339620, 4679240, 5030183, 10060366, 20120732, 25150915, 40241464, 50301830, 100603660, 201207320]

約数ペア:

[(1, 201207320), (2, 100603660), (4, 50301830), (5, 40241464), (8, 25150915), (10, 20120732), (20, 10060366), (40, 5030183), (43, 4679240), (86, 2339620), (172, 1169810), (215, 935848), (344, 584905), (430, 467924), (860, 233962), (1720, 116981)]