40816456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 44719544

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 79, 116, 131, 136, 158, 232, 262, 316, 493, 524, 632, 986, 1048, 1343, 1972, 2227, 2291, 2686, 3799, 3944, 4454, 4582, 5372, 7598, 8908, 9164, 10349, 10744, 15196, 17816, 18328, 20698, 30392, 38947, 41396, 64583, 77894, 82792, 129166, 155788, 175933, 258332, 300121, 311576, 351866, 516664, 600242, 703732, 1200484, 1407464, 2400968, 5102057, 10204114, 20408228, 40816456]

約数ペア:

[(1, 40816456), (2, 20408228), (4, 10204114), (8, 5102057), (17, 2400968), (29, 1407464), (34, 1200484), (58, 703732), (68, 600242), (79, 516664), (116, 351866), (131, 311576), (136, 300121), (158, 258332), (232, 175933), (262, 155788), (316, 129166), (493, 82792), (524, 77894), (632, 64583), (986, 41396), (1048, 38947), (1343, 30392), (1972, 20698), (2227, 18328), (2291, 17816), (2686, 15196), (3799, 10744), (3944, 10349), (4454, 9164), (4582, 8908), (5372, 7598)]