18660400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4241}}^1$

素因数の和:4270

約数の個数: 60

約数和(自身を含む): 48918744

約数和(自身を除く): 30258344

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, 4241, 4400, 8482, 16964, 21205, 33928, 42410, 46651, 67856, 84820, 93302, 106025, 169640, 186604, 212050, 233255, 339280, 373208, 424100, 466510, 746416, 848200, 933020, 1166275, 1696400, 1866040, 2332550, 3732080, 4665100, 9330200, 18660400]

約数ペア:

[(1, 18660400), (2, 9330200), (4, 4665100), (5, 3732080), (8, 2332550), (10, 1866040), (11, 1696400), (16, 1166275), (20, 933020), (22, 848200), (25, 746416), (40, 466510), (44, 424100), (50, 373208), (55, 339280), (80, 233255), (88, 212050), (100, 186604), (110, 169640), (176, 106025), (200, 93302), (220, 84820), (275, 67856), (400, 46651), (440, 42410), (550, 33928), (880, 21205), (1100, 16964), (2200, 8482), (4241, 4400)]