51538520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117133}}^1$

素因数の和:117155

約数の個数: 32

約数和(自身を含む): 126504720

約数和(自身を除く): 74966200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117133, 234266, 468532, 585665, 937064, 1171330, 1288463, 2342660, 2576926, 4685320, 5153852, 6442315, 10307704, 12884630, 25769260, 51538520]

約数ペア:

[(1, 51538520), (2, 25769260), (4, 12884630), (5, 10307704), (8, 6442315), (10, 5153852), (11, 4685320), (20, 2576926), (22, 2342660), (40, 1288463), (44, 1171330), (55, 937064), (88, 585665), (110, 468532), (220, 234266), (440, 117133)]