51263140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 113944320

約数和(自身を除く): 62681180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 380, 431, 626, 862, 1252, 1565, 1724, 2155, 3130, 4310, 5947, 6260, 8189, 8620, 11894, 16378, 23788, 29735, 32756, 40945, 59470, 81890, 118940, 134903, 163780, 269806, 539612, 674515, 1349030, 2563157, 2698060, 5126314, 10252628, 12815785, 25631570, 51263140]

約数ペア:

[(1, 51263140), (2, 25631570), (4, 12815785), (5, 10252628), (10, 5126314), (19, 2698060), (20, 2563157), (38, 1349030), (76, 674515), (95, 539612), (190, 269806), (313, 163780), (380, 134903), (431, 118940), (626, 81890), (862, 59470), (1252, 40945), (1565, 32756), (1724, 29735), (2155, 23788), (3130, 16378), (4310, 11894), (5947, 8620), (6260, 8189)]