40129128

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 124185600

約数和(自身を除く): 84056472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 351, 372, 403, 461, 468, 558, 702, 744, 806, 837, 922, 936, 1116, 1209, 1383, 1404, 1612, 1674, 1844, 2232, 2418, 2766, 2808, 3224, 3348, 3627, 3688, 4149, 4836, 5532, 5993, 6696, 7254, 8298, 9672, 10881, 11064, 11986, 12447, 14291, 14508, 16596, 17979, 21762, 23972, 24894, 28582, 29016, 33192, 35958, 42873, 43524, 47944, 49788, 53937, 57164, 71916, 85746, 87048, 99576, 107874, 114328, 128619, 143832, 161811, 171492, 185783, 215748, 257238, 323622, 342984, 371566, 385857, 431496, 514476, 557349, 647244, 743132, 771714, 1028952, 1114698, 1294488, 1486264, 1543428, 1672047, 2229396, 3086856, 3344094, 4458792, 5016141, 6688188, 10032282, 13376376, 20064564, 40129128]

約数ペア:

[(1, 40129128), (2, 20064564), (3, 13376376), (4, 10032282), (6, 6688188), (8, 5016141), (9, 4458792), (12, 3344094), (13, 3086856), (18, 2229396), (24, 1672047), (26, 1543428), (27, 1486264), (31, 1294488), (36, 1114698), (39, 1028952), (52, 771714), (54, 743132), (62, 647244), (72, 557349), (78, 514476), (93, 431496), (104, 385857), (108, 371566), (117, 342984), (124, 323622), (156, 257238), (186, 215748), (216, 185783), (234, 171492), (248, 161811), (279, 143832), (312, 128619), (351, 114328), (372, 107874), (403, 99576), (461, 87048), (468, 85746), (558, 71916), (702, 57164), (744, 53937), (806, 49788), (837, 47944), (922, 43524), (936, 42873), (1116, 35958), (1209, 33192), (1383, 29016), (1404, 28582), (1612, 24894), (1674, 23972), (1844, 21762), (2232, 17979), (2418, 16596), (2766, 14508), (2808, 14291), (3224, 12447), (3348, 11986), (3627, 11064), (3688, 10881), (4149, 9672), (4836, 8298), (5532, 7254), (5993, 6696)]