51887575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 68138000

約数和(自身を除く): 16250425

約数列:

[1, 5, 19, 25, 95, 313, 349, 475, 1565, 1745, 5947, 6631, 7825, 8725, 29735, 33155, 109237, 148675, 165775, 546185, 2075503, 2730925, 10377515, 51887575]

約数ペア:

[(1, 51887575), (5, 10377515), (19, 2730925), (25, 2075503), (95, 546185), (313, 165775), (349, 148675), (475, 109237), (1565, 33155), (1745, 29735), (5947, 8725), (6631, 7825)]