2086040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 5171040

約数和(自身を除く): 3085000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 431, 440, 484, 605, 862, 968, 1210, 1724, 2155, 2420, 3448, 4310, 4741, 4840, 8620, 9482, 17240, 18964, 23705, 37928, 47410, 52151, 94820, 104302, 189640, 208604, 260755, 417208, 521510, 1043020, 2086040]

約数ペア:

[(1, 2086040), (2, 1043020), (4, 521510), (5, 417208), (8, 260755), (10, 208604), (11, 189640), (20, 104302), (22, 94820), (40, 52151), (44, 47410), (55, 37928), (88, 23705), (110, 18964), (121, 17240), (220, 9482), (242, 8620), (431, 4840), (440, 4741), (484, 4310), (605, 3448), (862, 2420), (968, 2155), (1210, 1724)]