25813975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 11505065

約数列:

[1, 5, 11, 25, 37, 43, 55, 59, 185, 215, 275, 295, 407, 473, 649, 925, 1075, 1475, 1591, 2035, 2183, 2365, 2537, 3245, 7955, 10175, 10915, 11825, 12685, 16225, 17501, 24013, 27907, 39775, 54575, 63425, 87505, 93869, 120065, 139535, 437525, 469345, 600325, 697675, 1032559, 2346725, 5162795, 25813975]

約数ペア:

[(1, 25813975), (5, 5162795), (11, 2346725), (25, 1032559), (37, 697675), (43, 600325), (55, 469345), (59, 437525), (185, 139535), (215, 120065), (275, 93869), (295, 87505), (407, 63425), (473, 54575), (649, 39775), (925, 27907), (1075, 24013), (1475, 17501), (1591, 16225), (2035, 12685), (2183, 11825), (2365, 10915), (2537, 10175), (3245, 7955)]