40505784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2252

約数の個数: 64

約数和(自身を含む): 112078080

約数和(自身を除く): 71572296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1562, 1704, 2161, 2343, 3124, 4322, 4686, 6248, 6483, 8644, 9372, 12966, 17288, 18744, 23771, 25932, 47542, 51864, 71313, 95084, 142626, 153431, 190168, 285252, 306862, 460293, 570504, 613724, 920586, 1227448, 1687741, 1841172, 3375482, 3682344, 5063223, 6750964, 10126446, 13501928, 20252892, 40505784]

約数ペア:

[(1, 40505784), (2, 20252892), (3, 13501928), (4, 10126446), (6, 6750964), (8, 5063223), (11, 3682344), (12, 3375482), (22, 1841172), (24, 1687741), (33, 1227448), (44, 920586), (66, 613724), (71, 570504), (88, 460293), (132, 306862), (142, 285252), (213, 190168), (264, 153431), (284, 142626), (426, 95084), (568, 71313), (781, 51864), (852, 47542), (1562, 25932), (1704, 23771), (2161, 18744), (2343, 17288), (3124, 12966), (4322, 9372), (4686, 8644), (6248, 6483)]