25185545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 40091520

約数和(自身を除く): 14905975

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 313, 385, 605, 665, 847, 1045, 1463, 1565, 2191, 2299, 3443, 4235, 5947, 7315, 10955, 11495, 16093, 17215, 24101, 29735, 37873, 41629, 65417, 80465, 120505, 189365, 208145, 265111, 327085, 457919, 719587, 1325555, 2289595, 3597935, 5037109, 25185545]

約数ペア:

[(1, 25185545), (5, 5037109), (7, 3597935), (11, 2289595), (19, 1325555), (35, 719587), (55, 457919), (77, 327085), (95, 265111), (121, 208145), (133, 189365), (209, 120505), (313, 80465), (385, 65417), (605, 41629), (665, 37873), (847, 29735), (1045, 24101), (1463, 17215), (1565, 16093), (2191, 11495), (2299, 10955), (3443, 7315), (4235, 5947)]