25560568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4091}}^1$

素因数の和:4179

約数の個数: 32

約数和(自身を含む): 53032320

約数和(自身を除く): 27471752

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 4091, 6248, 8182, 16364, 32728, 45001, 90002, 180004, 290461, 360008, 580922, 1161844, 2323688, 3195071, 6390142, 12780284, 25560568]

約数ペア:

[(1, 25560568), (2, 12780284), (4, 6390142), (8, 3195071), (11, 2323688), (22, 1161844), (44, 580922), (71, 360008), (88, 290461), (142, 180004), (284, 90002), (568, 45001), (781, 32728), (1562, 16364), (3124, 8182), (4091, 6248)]