1245925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 1691360

約数和(自身を除く): 445435

約数列:

[1, 5, 19, 25, 43, 61, 95, 215, 305, 475, 817, 1075, 1159, 1525, 2623, 4085, 5795, 13115, 20425, 28975, 49837, 65575, 249185, 1245925]

約数ペア:

[(1, 1245925), (5, 249185), (19, 65575), (25, 49837), (43, 28975), (61, 20425), (95, 13115), (215, 5795), (305, 4085), (475, 2623), (817, 1525), (1075, 1159)]