51458900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{4721}}^1$

素因数の和:4844

約数の個数: 36

約数和(自身を含む): 112714140

約数和(自身を除く): 61255240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 4721, 5450, 9442, 10900, 18884, 23605, 47210, 94420, 118025, 236050, 472100, 514589, 1029178, 2058356, 2572945, 5145890, 10291780, 12864725, 25729450, 51458900]

約数ペア:

[(1, 51458900), (2, 25729450), (4, 12864725), (5, 10291780), (10, 5145890), (20, 2572945), (25, 2058356), (50, 1029178), (100, 514589), (109, 472100), (218, 236050), (436, 118025), (545, 94420), (1090, 47210), (2180, 23605), (2725, 18884), (4721, 10900), (5450, 9442)]