25209104

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 51847872

約数和(自身を除く): 26638768

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1123, 1403, 2246, 2806, 4492, 5612, 8984, 11224, 17968, 22448, 25829, 51658, 68503, 103316, 137006, 206632, 274012, 413264, 548024, 1096048, 1575569, 3151138, 6302276, 12604552, 25209104]

約数ペア:

[(1, 25209104), (2, 12604552), (4, 6302276), (8, 3151138), (16, 1575569), (23, 1096048), (46, 548024), (61, 413264), (92, 274012), (122, 206632), (184, 137006), (244, 103316), (368, 68503), (488, 51658), (976, 25829), (1123, 22448), (1403, 17968), (2246, 11224), (2806, 8984), (4492, 5612)]