138734240

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6619}}^1$

素因数の和:6765

約数の個数: 48

約数和(自身を含む): 330311520

約数和(自身を除く): 191577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 6619, 10480, 13238, 20960, 26476, 33095, 52952, 66190, 105904, 132380, 211808, 264760, 529520, 867089, 1059040, 1734178, 3468356, 4335445, 6936712, 8670890, 13873424, 17341780, 27746848, 34683560, 69367120, 138734240]

約数ペア:

[(1, 138734240), (2, 69367120), (4, 34683560), (5, 27746848), (8, 17341780), (10, 13873424), (16, 8670890), (20, 6936712), (32, 4335445), (40, 3468356), (80, 1734178), (131, 1059040), (160, 867089), (262, 529520), (524, 264760), (655, 211808), (1048, 132380), (1310, 105904), (2096, 66190), (2620, 52952), (4192, 33095), (5240, 26476), (6619, 20960), (10480, 13238)]