31079840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17659}}^1$

素因数の和:17685

約数の個数: 48

約数和(自身を含む): 80105760

約数和(自身を除く): 49025920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17659, 35318, 70636, 88295, 141272, 176590, 194249, 282544, 353180, 388498, 565088, 706360, 776996, 971245, 1412720, 1553992, 1942490, 2825440, 3107984, 3884980, 6215968, 7769960, 15539920, 31079840]

約数ペア:

[(1, 31079840), (2, 15539920), (4, 7769960), (5, 6215968), (8, 3884980), (10, 3107984), (11, 2825440), (16, 1942490), (20, 1553992), (22, 1412720), (32, 971245), (40, 776996), (44, 706360), (55, 565088), (80, 388498), (88, 353180), (110, 282544), (160, 194249), (176, 176590), (220, 141272), (352, 88295), (440, 70636), (880, 35318), (1760, 17659)]