2021680925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 2821319424

約数和(自身を除く): 799638499

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 431, 461, 925, 2035, 2155, 2305, 4741, 5071, 10175, 10775, 11525, 15947, 17057, 23705, 25355, 79735, 85285, 118525, 126775, 175417, 187627, 198691, 398675, 426425, 877085, 938135, 993455, 2185601, 4385425, 4690675, 4967275, 7351567, 10928005, 36757835, 54640025, 80867237, 183789175, 404336185, 2021680925]

約数ペア:

[(1, 2021680925), (5, 404336185), (11, 183789175), (25, 80867237), (37, 54640025), (55, 36757835), (185, 10928005), (275, 7351567), (407, 4967275), (431, 4690675), (461, 4385425), (925, 2185601), (2035, 993455), (2155, 938135), (2305, 877085), (4741, 426425), (5071, 398675), (10175, 198691), (10775, 187627), (11525, 175417), (15947, 126775), (17057, 118525), (23705, 85285), (25355, 79735)]