54785720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124513}}^1$

素因数の和:124535

約数の個数: 32

約数和(自身を含む): 134475120

約数和(自身を除く): 79689400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 124513, 249026, 498052, 622565, 996104, 1245130, 1369643, 2490260, 2739286, 4980520, 5478572, 6848215, 10957144, 13696430, 27392860, 54785720]

約数ペア:

[(1, 54785720), (2, 27392860), (4, 13696430), (5, 10957144), (8, 6848215), (10, 5478572), (11, 4980520), (20, 2739286), (22, 2490260), (40, 1369643), (44, 1245130), (55, 996104), (88, 622565), (110, 498052), (220, 249026), (440, 124513)]