81897160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4153}}^1$

素因数の和:4210

約数の個数: 64

約数和(自身を含む): 201884400

約数和(自身を除く): 119987240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4153, 4930, 8306, 9860, 16612, 19720, 20765, 33224, 41530, 70601, 83060, 120437, 141202, 166120, 240874, 282404, 353005, 481748, 564808, 602185, 706010, 963496, 1204370, 1412020, 2047429, 2408740, 2824040, 4094858, 4817480, 8189716, 10237145, 16379432, 20474290, 40948580, 81897160]

約数ペア:

[(1, 81897160), (2, 40948580), (4, 20474290), (5, 16379432), (8, 10237145), (10, 8189716), (17, 4817480), (20, 4094858), (29, 2824040), (34, 2408740), (40, 2047429), (58, 1412020), (68, 1204370), (85, 963496), (116, 706010), (136, 602185), (145, 564808), (170, 481748), (232, 353005), (290, 282404), (340, 240874), (493, 166120), (580, 141202), (680, 120437), (986, 83060), (1160, 70601), (1972, 41530), (2465, 33224), (3944, 20765), (4153, 19720), (4930, 16612), (8306, 9860)]