2655760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 6260760

約数和(自身を除く): 3605000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 373, 445, 712, 746, 890, 1424, 1492, 1780, 1865, 2984, 3560, 3730, 5968, 7120, 7460, 14920, 29840, 33197, 66394, 132788, 165985, 265576, 331970, 531152, 663940, 1327880, 2655760]

約数ペア:

[(1, 2655760), (2, 1327880), (4, 663940), (5, 531152), (8, 331970), (10, 265576), (16, 165985), (20, 132788), (40, 66394), (80, 33197), (89, 29840), (178, 14920), (356, 7460), (373, 7120), (445, 5968), (712, 3730), (746, 3560), (890, 2984), (1424, 1865), (1492, 1780)]