91402520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4831}}^1$

素因数の和:4896

約数の個数: 64

約数和(自身を含む): 229616640

約数和(自身を除く): 138214120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 4831, 9460, 9662, 18920, 19324, 24155, 38648, 48310, 53141, 96620, 106282, 193240, 207733, 212564, 265705, 415466, 425128, 531410, 830932, 1038665, 1062820, 1661864, 2077330, 2125640, 2285063, 4154660, 4570126, 8309320, 9140252, 11425315, 18280504, 22850630, 45701260, 91402520]

約数ペア:

[(1, 91402520), (2, 45701260), (4, 22850630), (5, 18280504), (8, 11425315), (10, 9140252), (11, 8309320), (20, 4570126), (22, 4154660), (40, 2285063), (43, 2125640), (44, 2077330), (55, 1661864), (86, 1062820), (88, 1038665), (110, 830932), (172, 531410), (215, 425128), (220, 415466), (344, 265705), (430, 212564), (440, 207733), (473, 193240), (860, 106282), (946, 96620), (1720, 53141), (1892, 48310), (2365, 38648), (3784, 24155), (4730, 19324), (4831, 18920), (9460, 9662)]