85110880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27997}}^1$

素因数の和:28031

約数の個数: 48

約数和(自身を含む): 211664880

約数和(自身を除く): 126554000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 27997, 55994, 111988, 139985, 223976, 279970, 447952, 531943, 559940, 895904, 1063886, 1119880, 2127772, 2239760, 2659715, 4255544, 4479520, 5319430, 8511088, 10638860, 17022176, 21277720, 42555440, 85110880]

約数ペア:

[(1, 85110880), (2, 42555440), (4, 21277720), (5, 17022176), (8, 10638860), (10, 8511088), (16, 5319430), (19, 4479520), (20, 4255544), (32, 2659715), (38, 2239760), (40, 2127772), (76, 1119880), (80, 1063886), (95, 895904), (152, 559940), (160, 531943), (190, 447952), (304, 279970), (380, 223976), (608, 139985), (760, 111988), (1520, 55994), (3040, 27997)]