18528400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4211}}^1$

素因数の和:4240

約数の個数: 60

約数和(自身を含む): 48572784

約数和(自身を除く): 30044384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4211, 4400, 8422, 16844, 21055, 33688, 42110, 46321, 67376, 84220, 92642, 105275, 168440, 185284, 210550, 231605, 336880, 370568, 421100, 463210, 741136, 842200, 926420, 1158025, 1684400, 1852840, 2316050, 3705680, 4632100, 9264200, 18528400]

約数ペア:

[(1, 18528400), (2, 9264200), (4, 4632100), (5, 3705680), (8, 2316050), (10, 1852840), (11, 1684400), (16, 1158025), (20, 926420), (22, 842200), (25, 741136), (40, 463210), (44, 421100), (50, 370568), (55, 336880), (80, 231605), (88, 210550), (100, 185284), (110, 168440), (176, 105275), (200, 92642), (220, 84220), (275, 67376), (400, 46321), (440, 42110), (550, 33688), (880, 21055), (1100, 16844), (2200, 8422), (4211, 4400)]